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People’s Financial News On May 26th, Enterprise Search APP showed that Midea (Foshan Nanhai) E-Commerce Co., Ltd. was recently established with a registered capital of 10 million yuan, and its business scope includes: sales of smart home consumer equipment; Sales of semiconductor lighting devices; Artificial intelligence hardware sales; Household appliances installation services, etc. Enterprise investigation shows that the company is indirectly wholly-owned by Midea Group.

Original Lu Pengpeng Blue Whale News

Blue whale reporter Lu Pengpeng

On Saturday morning, Lei Jun, a model worker, took a group of senior executives to start the live broadcast in Shanghai. During this period, Lei Jun not only responded to the "Singer" rocking incident, but also encountered a malicious car. The three and a half-hour live broadcast revealed a lot of information.

What happened to Lei Jun’s live test drive for 3 hours?

In this live broadcast, Xiaomi SU7 Pro model was officially unveiled, and Lei Jun drove the vehicle from century avenue to Mengma Town in Hangzhou for the delivery ceremony.

Lei Jun’s live broadcast is mainly to show the NOA (automatic assisted navigation and driving) function of Xiaomi city. With the help of Xiaomi intelligent driving system, how vehicles can intelligently respond to various road conditions. At the same time, it will also test the real battery life and real energy consumption performance of Xiaomi SU7 Pro.

1. The intelligent driving scheme is self-developed by Xiaomi, and the annual cost exceeds 2 billion yuan.

First of all, when talking about the smart driving scheme, Lei Jun said frankly: "The annual cost of developing smart driving by Xiaomi itself is more than 2 billion yuan, and the investment is extremely high. There are few manufacturers in China who have researched it from beginning to end."

When asked, "There have been rumors that Xiaomi’s vision intelligent driving scheme will be carried out by cooperation or third-party bidding in the future", Lei Jun personally blamed: "We set a goal from the beginning, and all the intelligent driving of Xiaomi should be developed by ourselves."

In addition, Lei Jun also shared Xiaomi’s team building in the field of intelligent driving. He mentioned that Xiaomi Auto’s intelligent driving team has more than 1,000 engineers.

Lei Jun said that companies such as Huawei and Weixiaoli are very determined to invest in intelligent driving, especially in Xpeng Motors. Lei Jun himself is closely related to He Xiaopeng and an early investor in Xpeng Motors.

2. Encountered a malicious car at high speed and almost had an accident.

Despite NOA’s blessing, Lei Jun still encountered some uncivilized driving by car owners. The Blue Whale reporter noticed that a white car suddenly accelerated and maliciously changed lanes during high-speed driving, which almost caused an accident and did not turn on the turn signal.

Lei Jun said that this driving style is very dangerous and called "I want to report him".

3. Lei Jun responded to the singer’s shaking: I just want to do my best to make Xiaomi well.

In the live broadcast, Lei Jun also responded to the singer’s rocking incident, saying: "Many colleagues discussed this yesterday, but I haven’t figured out what it is yet. Thank you for your support, and now I still try my best to do a good job in Xiaomi. " Recently, Lei Jun climbed to the top of Singer 2024, beating Han Hong, Phoenix Legend, Jay Chou, Jacky Cheung, etc., and gained the support of a large number of netizens.

Finally, after three hours’ journey, Lei Jun and his entourage arrived in Mengma Automobile Town, Hangzhou, and ended the live broadcast after the car delivery ceremony.

4. Fans are crazy about giving gifts, and they occupy the list in the old age.

It is worth noting that during the last live broadcast, Lei Jun did not turn on the reward function and was squandered by fans. At that time, Lei Jun responded: "I am not rejecting it, but I am worried that everyone will brush too much, and the live broadcast room will be more chaotic. Why don’t I consider opening presents or something next time? In fact, I think it’s good to receive some gifts from everyone. "

Today, Lei Jun fulfilled his promise to open a gift reward, and the whole gift was screened in the live broadcast room. Vanke Eslite CEO Chennian even brushed several carnivals, becoming Lei Jun’s "big brother on the list", and the second user on the list was the official flagship store of Vanke Eslite.

Lei Jun said that when he went back, he would count the amount of gifts received and replace them with millet products as welfare products for fans in the next live broadcast.

According to archaeological data, the cumulative number of viewers of this live broadcast exceeded 27 million, the number of online users at the peak was as high as 4.8 million, and the Lei Jun account added 360,000 powder.

De-intermediation of enterprise communication

Bosses get together to be online celebrity.

Lei Jun’s last live broadcast was in April. The number of viewers exceeded 100,000 in just one minute, and the number of viewers in two minutes was over 10 million.

In the live broadcast, he responded to a series of questions, such as "the cool man, there is no cold 4 billion in Cary, imitating Musk", and related topics once dominated the hot search in Weibo.

As a "model worker in Zhongguancun", Lei Jun has always been active in the front line of new media when the first generation of Internet tycoons gradually retired from the rivers and lakes, and his output of vibrato audio and video is an average of two per day. Lei Jun showed entrepreneurs what is the real "top flow".

Blue Whale reporter found that not only Lei Jun himself, but also many senior executives of Xiaomi Company personally went off to build online celebrity IP.

For example, Lu Weibing, president of Xiaomi Group, settled in Tik Tok in February this year, Xu Fei, CMO of Xiaomi Group, settled in Tik Tok in March this year, and Wang Teng, general manager of Redmi brand, settled in Tik Tok in March this year.

During the period from February to May, Xiaomi executives released as many as 40 or 50 videos, almost maintaining the frequency of the day.

After Lei Jun started the first shot of "de-intermediation" of corporate public relations communication, the trend of learning Lei Jun spread from the automobile circle to the whole Internet circle.

For example, 360 Zhou Hongyi, Weilai Li Bin, Gree Dong Mingzhu, etc. Recently, even Jia Yueting, who is far away from the other side of the ocean, has started to do self-media. He said that he would start the commercialization of personal IP, make some money as soon as possible, partly pay off debts and partly supplement the company to build cars, and strive to support the basic operation of FF.

Can the boss get together and "roll" into the live broadcast room, saving hundreds of millions of advertising fees? This seems to be a very cost-effective deal, but it is not easy to do it. Whether it can create a successful network red IP varies from person to person.

After all, the bosses personally leave the scene, facing the quality inspection of the whole network. The true expression may win the crowd of netizens, but people will always talk too much and lose too much. Once the opinions are controversial, the effect will be counterproductive. As Lei Jun said in the live broadcast today: "I thought the live broadcast was to get a mobile phone to talk to the camera, but it was far from simple."

Original title: "Lei Jun drives 20 million people to watch live: being maliciously driven, responding to" Singer "and shaking people, and rewarding old people with crazy gifts"

Read the original text

"Don’t imprison curiosity because of grades. Every course and every topic is an opportunity to explore the mysteries of nature and human beings." Lin Jianhua, president of Peking University, delivered a speech on the topic of "Listening to the voice of learning" at the ceremony on September 8th.

On the same day, more than 3,000 freshmen from 2017 Peking University gathered in Peking University Qiu Deba Gymnasium for the opening ceremony. Zhao Lanxin, who won the first place in the Chinese Women’s Mathematical Olympiad, spoke as a freshman representative. The "mathematical genius" said that writing is also her inner passion. She used "Why don’t teenagers dream of catching stars?"? Dare to shoot the jade scale with a mulberry bow. Don’t be too smart today, and invite him to see the sea level tomorrow. " Poems to express their outlook on college life.

Before the ceremony, Professor Hao Ping, secretary of the Party Committee of Peking University, read out the decision of commending doctoral students, and more than 500 doctoral students won this honor. In order to encourage doctoral students to engage in high-level scientific research and improve the quality of doctoral students’ training, since 2009, Peking University has established a doctoral student principal scholarship, which is the highest honor, the largest amount and the most influential postgraduate scholarship established in Peking University. Professor Hao Ping called on the students to follow the example of the commended students, study hard and concentrate on scientific research.

Principal Lin Jianhua: Learn to be an adult.

"Don’t imprison curiosity because of grades. Every course and every topic is an opportunity to explore the mysteries of nature and human beings." President Lin Jianhua said to the students, "I want to remind everyone not to be too utilitarian and short-sighted, and not to go with the flow;" Follow your heart and find your own interests. In fact, professionalism is hidden behind every major. "

He said that in order to encourage students to develop freely, Peking University supports the free transfer of majors within the department and the free selection of courses in the whole school. The interdisciplinary training plan also gives students a very broad choice, and the way of thinking and values are more important than knowledge. "Knowledge can be out of date, but the way of thinking, social responsibility and spirit of exploration that you feel will flow in your heart like blood and accompany you all your life."

Lin Jianhua mentioned that in the face of the rapid development of science and technology in today’s society, some people will wonder whether science and technology will shake the cornerstone of human society and human civilization. He quoted Apple CEO Cook’s speech at the MIT graduation ceremony: "I am not worried that artificial intelligence can give computers the ability to think like humans. I am more worried that humans think like computers."

"Our education is not about turning people into machines, but about learning to be human." Lin Jianhua said, "Learning is not to passively accept knowledge, but to form one’s own experiences and opinions through comparison, speculation, debate and practice, so as to truly grasp the law, seek the true meaning and establish socialist core values."

He said: "Learning to be an adult is also a process of discovering your own ignorance. Being brave in discovering and admitting your own ignorance is the real performance of self-confidence. Always keep an open mind, be brave in questioning and learn with an open mind. I hope that students can explore, think and listen in silence and experience the joy of growth and creation. "

For a long time, rational humanism in the west has always occupied a dominant position. Facing the challenges of globalization and resources and environment, Lin Jianhua believes that the concept of "all things are one, and heaven and man are one" in China’s traditional culture, as well as the benevolent way expressed by "don’t do to others what you don’t want them to do to you" and "stand up for others if you want to stand up, and achieve what you want", will provide a more solid ethical foundation for the development and progress of mankind.

President Lin Jianhua spoke at the ceremony.

Zhao Lanxin, a new student representative: Why shouldn’t teenagers dream of catching stars? Dare to shoot a jade scale with a mulberry bow

Zhao Lanxin is a 2017 undergraduate freshman from Yuanpei College of Peking University, and ranked fifth in science in Chongqing College Entrance Examination. She once won the first place in the Chinese Women’s Mathematical Olympiad and the gold medal in the all-China Mathematical Olympiad. The "mathematical genius" said in her speech that mathematics is certainly a fascinating road, which always echoes the flow of everything with concise laws, but she has a longer and tougher string in her heart, and writing is her inner passion.

"When I look around my world, I find that the world is moving rapidly. Ordinary people also have vivid joys, sorrows, loves and hates, and they are separated. Many people don’t care about these, but I have a sense of responsibility that must be recorded in my heart. What I hope is that I will write and leave a soft inscription for our times. "

"Peking University has the best mathematics major in China, and I can continue to explore the mysteries of human rationality. Peking University also has the best Chinese major in the world, so that I can use the pen and ink of interest and love to describe the world."

Different from the life ideals of most competition students, Zhao Lanxin doesn’t want to follow the ready-made model, but wants to choose a road she loves. Although she hasn’t won a gold medal in the field of literature, she has enough enthusiasm for literary creation from her heart. For her, "go out of her comfort zone and explore an unknown but desirable distance." Is the best way to realize your dreams and values. She also wishes everyone present can find and realize their dreams.

Finally, she ended her speech with a poem of her own, "Why don’t teenagers dream of reaching for stars?"? Dare to shoot the jade scale with a mulberry bow. Don’t be too smart today, and invite him to see the sea level tomorrow. "

Teacher Representative Sun Qixiang, Dean of Peking University Institute of Economics: Cherish.

"When youth dies, you lose your health without vitality, elegance and wisdom. Even if you are still young, what is the use of youth, wealth and time?" On behalf of the teacher, Sun Qixiang, Dean of Peking University Institute of Economics, warned the students to cherish their health and not to overdraw your body just because you are young. Students are required to be young people with all-round development in morality, intelligence and physique, and to balance the relationship between study and exercise.

When talking about the dream and desire of youth, Sun Qixiang said, "Please cherish your inner desire, and don’t ignore and suppress it, or even snuff it out, and do what you like, instead of following others’ advice and being impetuous. Don’t compare with others, it’s enough to be the best yourself. "

Combined with his study experience, Sun Qixiang said, "This era has given everyone a chance. However, any beautiful era did not come out of thin air, but was created by thousands of builders through hard work, and the best treasure is to make due contributions to this era. "

In addition, Sun Qixiang told the students to cherish the present, others, teachers and students, friends and parents’ efforts and hard work.

【President Lin Jianhua.Full text of speech】

Good morning, dear classmates!

In the most beautiful season in Beijing, Peking University welcomed the new students of 2017, and the youthful vitality filled the beautiful campus with joy. We often compare a university to a big family, in which students, teachers, employees and alumni are all important members. Whether you are new to Peking University or continuing your studies here, we are soul mates, simple and pure, and strive to move forward. Welcome! Welcome to join the big family of Peking University!

Looking at everyone’s youthful smiles, I think of the first time I came to Peking University. It has been forty years since. The past 40 years, like a realistic version of the travel drama, have changed so much that people can’t imagine.

Zhongguancun Street was called Baiyi Road at that time, which was a rural road, with thick and towering Populus tomentosa and rice fields on both sides full of rural interests. At that time, it was still a big thing to go to town. There was only one bus No.332, or a bicycle that was still a luxury was about to be borrowed.

Forty years have passed, and everything is changing, but one thing remains unchanged, that is, Peking University people’s feelings for home and country, their fearless spirit of being the first in the world and their unremitting academic pursuit.

What will happen in the future? What kind of world will you face? This may be a doubt in the hearts of many young people. The rapid development of science and technology has changed people’s way of life and work, and the rapid rise of China has changed the traditional world political structure. These things sound great and far away, but they have already happened to us.

Making students become people who can lead the future is the talent training goal of the school, and it is also a challenge to educational concepts and traditions. The school is carrying out undergraduate education reform and postgraduate training mechanism reform, with the aim of providing you with a better learning and growth experience.

Everyone will soon enter the first grade course. Some students will be very concerned about grades, but don’t imprison their curiosity. In fact, every course and topic will give you an opportunity to explore the mysteries of nature and human beings.

University is a journey of exploration, discovery and creation by teachers and students. Follow your curiosity and explore the way of thinking behind knowledge with innovative and critical eyes, and you will surely gain more.

People often say that "interest is the best teacher", and the free transfer of majors in the department, free course selection in the whole school and interdisciplinary training plans will provide you with broad choices.

I want to remind everyone not to be too utilitarian and short-sighted, and not to go with the flow; Follow your heart and find your own interests. In fact, there is a professional spirit behind every major. Knowledge can be out of date, but the way of thinking, social responsibility and spirit of exploration you feel will flow in your heart like blood and accompany you all your life.

As we all know, AlphaGO defeated the top human Go player and made a major breakthrough in gene editing technology. This makes some people worry that science and technology will shake the cornerstone of human society and human civilization. That’s not how I see it.

Apple CEO Cook put it very well. He said, "I’m not worried that artificial intelligence gives computers the ability to think like human beings. I’m more worried that human beings think like computers-abandon compassion and values and be reckless."

Our education is not to turn people into tools and machines, but to "learn to be adults".

There will be an important international conference in Peking University next year-the 24th World Philosophy Conference, with nearly 5,000 philosophers from all over the world attending, which will be a grand gathering where eastern and western civilizations collide and blend. The theme of the conference is "Learning to be human".

For a long time, rational humanism in the west has always occupied a dominant position. Facing the challenges of globalization and resources and environment, I believe that the concept of "all things are one, and heaven and man are one" in China’s traditional culture, as well as the benevolent way expressed by "don’t do to others what you don’t want them to do to you" and "stand up for others if you want to stand up, and achieve what you want", will provide a more solid ethical foundation for the development and progress of mankind.

"Learning to be an adult" is a proposition that accompanies us all our lives. Philosophy considers "learning to be an adult" from the theoretical level, while education is the practice of "learning to be an adult".

Learning is by no means a passive acceptance of knowledge, and you can’t swallow dates and follow others’ advice. Instead, you should form your own insights through comparison, speculation, debate and practice, so as to truly grasp the law, seek the true meaning and establish the core values of socialism.

General Secretary of the Supreme Leader said: "Active thinking is an important feature of colleges and universities, where various ideas and viewpoints meet and various values collide. Taishan does not let the soil, so it can become a big one; Rivers and seas do not choose small streams, so they can be deep. We must uphold the attitude of respecting differences and accommodating diversity, lead by pluralism and neutrality, seek consensus in diversity, set the direction in change, and let all the trickle of beneficial ideology and culture merge into the vast sea of mainstream ideology. "

"Learning to be an adult" is also a process of discovering your ignorance. In ancient Greece, there was a philosopher, Zhi Nuo, the father of paradox. Students once asked him, "Teacher, you are knowledgeable, why do you always question your own conclusions?" Zhi Nuo drew two circles and said, "The big circle is me and the small circle is you. If the area of the circle is the knowledge we have, the outside of the circle is unknown, and the circumference is the unknown we can contact. The more visible knowledge, the more unknown we contact. "

The courage to discover and admit your ignorance is a sign of true confidence. You are all excellent. I hope that you will not be afraid of problems and difficulties, be dogmatic and inflexible, and always keep an open mind, be brave in questioning and learn with an open mind.

German philosopher Garf once said: "The voice of conscience is silent, and it is hard to be heard in the hubbub." The same is true of learning, which requires us to forget the worldly customs and explore, think and listen in silence.

I wish you all can calm down, listen to the voice of learning and experience the joy of growth and creation during your time at Peking University.

Thank you!

　　On August 31st, Hebei University of Science and Technology released the "Investigation and Processing Results of Han Chunyu Team’s Withdrawal Papers" (hereinafter referred to as "Investigation and Processing Results") in a low-key way, trying to end the question about whether Han Chunyu had made a fraud for more than two years with a conclusion of less than 600 words.

　　What is the conclusion of the Han Chunyu incident? This is still an "unsolved case" at present, and Hebei University of Science and Technology has not clearly determined whether Han Chunyu is "academic misconduct" in its conclusion. In contrast, another university, Wuhan University, directly thought that Li Hongliang "had no academic fraud" when it was reported to the Li Hongliang team of the university on January 29th. Nevertheless, the academic fraud in Li Hongliang is still controversial.

　　The Paper (www.thepaper.cn) found in the investigation that whether Han Chunyu was "academic misconduct" was not clearly determined by the school, but the related "termination or revocation of relevant scientific research projects, revocation of academic awards and honorary titles" was actually one of the treatments for those responsible for academic misconduct in accordance with Chapter V of the Measures for Preventing and Handling Academic Misconduct in Colleges and Universities.

　　The Paper tried to get detailed information about the investigation from Hebei University of Science and Technology, the subject of the investigation, but Hu Yongqi, member of the Standing Committee of the Party Committee of Hebei University of Science and Technology and director of the Academic Committee, and the secretariat of the Academic Committee refused to answer the phone many times. In addition, the official website of Hebei University of Science and Technology has completely cleared the list of members of the academic committee of the school, and the relevant web pages only keep the title without the list content.

　　In view of the fact that Han Chunyu’s retracted paper "NgAgo-gDNA-oriented Gene Editing Technology" in the top international academic journal "Nature Biotechnology" caused a great sensation in the hot field of gene editing, and hundreds of laboratories took time, effort and money to verify it under the circumstance that Han Chunyu repeatedly emphasized "repeatability". In fact, "Investigation and Processing Results" is no longer only related to the interests and reputation of Han Chunyu and the school itself.

　　"Personally, I think the purpose of the investigation is just to find a way to cope with the past. Experimental errors can be subjective and objective, but fraud is fraud, and there is no subjective and objective distinction." A professor of Zhejiang University whose research interests include the improvement and application of CRISPR gene editing technology said this in an interview with The Paper (www.thepaper.cn). This is also the general view of the current academic circles on the Han Chunyu incident.

　　In addition, a researcher who participated in the real name query in October and November, 2016 and jointly wrote the article "Questions about NgAgo" ("Questions about NgAgo") recently revealed to The Paper that the National Natural Science Foundation of China specially organized experts to hold a hearing, and Han Chunyu attended the hearing. However, this hearing was not widely publicized in academic circles. The Paper contacted relevant experts by email, but he didn’t get a reply.

　　At present, the handling of Han Chunyu has made the outside world feel that Han Chunyu himself has just returned to the state before the publication of the paper, "unscathed". Some insiders told The Paper, "If it is academic fraud, then this kind of treatment is obviously unreasonable. If it is not academic fraud, it is good news for Han Chunyu and the school, and there is no reason not to announce it."

　　The investigation process was not open, and the school refused to talk.

　　According to the Measures for Preventing and Handling Academic Misconduct in Colleges and Universities, colleges and universities are the main body of preventing and handling academic misconduct. According to the Regulations of Academic Committees in Colleges and Universities, colleges and universities should set up academic committees according to law, with the academic committees as the highest academic institutions in the school, and exercise the functions of decision-making, deliberation, evaluation and consultation on academic affairs as a whole.

　　Official website of Hebei University of Science and Technology shows that the Academic Committee of Hebei University of Science and Technology is the highest academic institution in the school. "Under the framework of the articles of association of the Academic Committee of the school, we will exercise the powers of decision-making, deliberation, evaluation and consultation of academic affairs in our school, stick to academic professional judgment and abide by academic ethics."

　　According to The Paper (www.thepaper.cn), the director of the Academic Committee of Hebei University of Science and Technology is Hu Yongqi, a member of the Standing Committee of the Party Committee of Hebei University. This position is nominated by the president and elected by all members. The academic committee of Hebei University of Science and Technology is appointed by the president.

　　According to the website of the Institute of Technology of the Independent College of Hebei University of Science and Technology, Hu Yongqi graduated from the Department of Chemical Engineering of Hebei Institute of Chemical Technology in July 1983. After graduation, he stayed as an ideological and political work counselor and later became a classroom teacher. In June 1988, he obtained a master’s degree in chemical engineering from Beijing Institute of Chemical Technology, and a doctor’s degree in chemical engineering from Tsinghua University in June 1998. In October 1998, he went to the Department of Energy Science and Engineering of Nagoya University to do postdoctoral research.

　　In 2002, Hu Yongqi entered Hebei University of Science and Technology, and served as Dean of the School of Chemistry and Pharmaceutical Engineering and Dean of the Graduate School of Hebei University of Science and Technology. In scientific research, Hu Yongqi’s main research field is catalytic reaction process and technology.

　　A source told The Paper that in addition to the establishment of an investigation team by the academic Committee of the school, "Hu Yongqi is also responsible for organizing third-party investigations." However, in the conclusion issued by the school, the number and composition of the investigation team of the academic Committee, the third party and other basic details that are usually announced in the processing results are currently unknown.

　　In an attempt to restore the investigation process, The Paper contacted Hu Yongqi several times on September 5, but the other party did not answer. Also refusing to answer is the contact information of the academic committee secretariat provided by official website of Hebei University of Science and Technology.

　　It is worth noting that when The Paper inquired about the list of members of the Academic Committee in official website, Hebei University of Science and Technology, the page under this heading did not exist, but was blank.

　　In addition, when comparing the Regulations of Academic Committee of Colleges and Universities (Order No.35 of the Ministry of Education of People’s Republic of China (PRC)) with the Articles of Association of Academic Committee of Hebei University of Science and Technology, The Paper noticed that in the chapter of operation system, the Articles of Association of Academic Committee of Hebei University of Science and Technology stipulates that "whenever the contents that need to be kept confidential are determined at the academic Committee meeting of the school, members must keep them confidential and implement and maintain the results of deliberation or evaluation of the academic Committee." However, there is no such provision in the Regulations of Academic Committees of Colleges and Universities.

　　At the same time, the operating system chapters of the above two documents all stipulate that "the decisions made by academic committees should be publicized and an objection period should be set. If there is any objection during the objection period, with the consent of more than 1/3 members, a plenary meeting may be held for reconsideration. The decision adopted after reconsideration is final. "

　　However, the decision made by Hebei University of Science and Technology on the Han Chunyu incident was obviously not made public in official website. According to the person in the school contacted by The Paper, "I have not seen any publicity on this matter in the school". In the Measures for Preventing and Handling Academic Misconduct in Colleges and Universities (Order No.40 of the Ministry of Education of People’s Republic of China (PRC)), it is also stipulated that if there is a clear whistleblower, the handling result must also be delivered to the whistleblower, and a 10-day objection or appeal period will be reserved.

　　Raw data required to be disclosed.

　　According to the Measures for Preventing and Handling Academic Misconduct in Colleges and Universities, the investigation team should form an investigation report on the basis of finding out the facts. The investigation report shall include the confirmation of the person responsible for academic misconduct, the investigation process, the fact finding and reasons, the investigation conclusion, etc.

　　At present, the "Investigation and Processing Results" given by Hebei University of Science and Technology, which is less than 600 words, obviously lacks many elements compared with the requirements of the above investigation report.

　　As can be seen from the published conclusions, the investigation team said that it had carefully checked "all the original experimental data" involved in the paper. In fact, these raw data have been emphasized by scientists who questioned NgAgo technology.

　　As early as July 21st, 2016, Gaetan Burgio, a geneticist at the Australian National University, posted a long article "My NgAgo Experience" on Twitter, asking Han Chunyu to disclose all raw data and experimental conditions.

　　On October 10th, 2016, 13 China biologists, including Professor Wei Wensheng of Peking University College of Life Sciences, jointly voiced in the media. They could not repeat the experimental results, and unanimously expressed their hope that Han Chunyu would disclose all the original data. Han Chunyu’s Hebei University of Science and Technology and other relevant units (such as the National Natural Science Foundation of China) started academic investigation.

　　However, Han Chunyu never released the original data, insisting at that time that "it will be used and will be responded through academic journals".

　　In addition to the original data, the "repeatability" that the outside world is most concerned about only refers to entrusting a third party to carry out repeated verification tests, and the results of verification tests are not clearly explained. The wording used in the conclusion is, "I think that the papers that have been withdrawn have no basis for re-publication, and no subjective fraud has been found by the Han Chunyu team".

　　So, what is "no longer has the basis for republication"? What is "subjective fraud"? There is no subjective fraud. What’s wrong with the team?

　　"The conclusion of the investigation did not explain at all which link, which step and when it was wrong. What Han said could be repeated before was what was repeated. These were not mentioned. This is not a survey." The aforementioned Zhejiang University professor bluntly said.

　　Another academic told The Paper that as a scientific research unit, the conclusion made by Hebei University of Science and Technology is "too imprecise". "You just say a conclusion that there is no subjective fraud, so the specious conclusion is very unscientific." Referring to the investigation and handling of similar international cases of academic fraud, the scientific approach is to describe the investigation process and make the final determination one by one according to the doubts of peers.

　　In fact, in addition to the conclusion that it is still foggy to the outside world, another version has been circulated inside the school before. A person from Hebei University of Science and Technology who is close to Han Chunyu’s team revealed to The Paper (www.thepaper.cn), "The conclusions passed between teachers before are not quite the same as those coming out now. It was said before that it could be made, but the efficiency was very low." The person also mentioned, "The investigation has already reached a conclusion, not recently."

　　However, the above statement cannot be confirmed by Hu Yongqi or the secretariat of the academic Committee at present.

　　Not only did this treatment make the outside world unconvinced, but also some practices or promises made by Han Chunyu and Hebei University of Science and Technology made the outside world wait for nothing again and again.

　　As for NgAgo’s work efficiency, when Han Chunyu gave a report to Zhejiang University, where Shen Xiao, the co-author of the paper, was located, he quipped, "In our laboratory, the success rate is over 90%, even if there is one plate of pollution in ten plates, because we have smog there.".

　　During the short period of less than 4 months from June 22, 2016 to October 14, 2016, the number of laboratories that Han Chunyu claimed to be able to successfully repeat its experiments was gradually reduced from 20 to 1. Even if there is only one laboratory, it has not been publicly claimed. Han Chunyu has refused to disclose it on the grounds that he does not want the other party to be harassed.

　　According to a report by Xinhuanet in August, 2016, Hebei University of Science and Technology said that in about one month’s time, Han Chunyu will take appropriate forms to publicly verify the results, and an authoritative third party will testify.

　　However, the school has not fulfilled its promise at that time.

　　The National Natural Science Foundation of China held a hearing and Han Chunyu attended.

　　In addition to the investigation organized by the academic committee of the school, Han Chunyu was supported by the National Natural Science Foundation for the project he applied for after the publication of the paper, and also participated in the hearing and defense of the National Natural Science Foundation.

　　A researcher who participated in the real-name query in October and November of 2016 and jointly wrote the article "Questions about NgAgo" ("Questions about NgAgo") recently told The Paper (www.thepaper.cn), "Before the National Natural Science Foundation of China specially organized experts to hold a hearing, Han Chunyu participated in the defense."

　　In September 2016, official website of the National Natural Science Foundation of China showed that the project "The Improvement and Application of NgAgo-gDNA Gene Editing Technology" with Han Chunyu as the project leader was approved for 1 million yuan, and the project started from January 2017 to December 2018.

　　Based on the fact that the above-mentioned project was approved after Han Chunyu’s paper, the authenticity of NgAgo-gDNA gene editing technology invented by him before is directly linked to whether this funding is established. The Measures for the Prevention and Handling of Academic Misconduct in Colleges and Universities clearly stipulates that the situation that should be considered as academic misconduct includes "providing false academic information in the process of reporting topics, achievements, awards and job evaluation".

　　In addition, it may be related to another grant involved in Han Chunyu’s retracted paper. It is mentioned in the paper "Thanks" that this paper was supported by the National Natural Science Foundation with the number of "31270950". The name of the project is "Evaluation of the Effect of Angiotensin Converting Enzyme on the Presentation of Exogenous Antigen in Cells and Its Physiological Significance", with an approved amount of 800,000 yuan, supported by Zhejiang University, and the starting and ending time is from January 2013 to December 2016. The project leader is Shen Xiao, the second author of the retracted paper and a researcher at Zhejiang University School of Medicine.

　　However, Shen Xiao once told the media, "I marked my fund, and there is no fund in Han Chunyu. But this research is basically self-raised by Han Chunyu through various channels, and my funds have not been invested in the experimental part. "

　　At present, The Paper contacted two experts who participated in the hearing by email, but no reply was received as of press time.

　　The aforementioned professor of Zhejiang University said, "If the National Natural Science Foundation of China holds such a hearing, it should be widely publicized, indicating that it is necessary to investigate the attitude of academic integrity."

　　According to the conclusion released by Hebei University of Science and Technology, relevant parties "terminated the research project undertaken by Han Chunyu’s team and recovered the research funds". However, it is not clear who the specific "relevant parties" refer to and how to recover the scientific research funds (part or used).

　　"Academic fraud" has not been determined, but the handling conforms to the relevant provisions of "Academic fraud"

　　In addition to the fact that the investigation results of withdrawing the paper itself make the outside world suspicious, Hebei University of Science and Technology’s handling results of Han Chunyu himself this time are also quite vague.

　　The result shows that after the publication of this paper, Han Chunyu’s personal housing, professional title and salary have not changed. During the investigation, Han Chunyu voluntarily requested to return the scientific research projects, performance awards, honorary titles, social posts, etc. Han Chunyu’s honorary title has been cancelled, the scientific research project undertaken by Han Chunyu’s team has been terminated, the research funds have been recovered, and the scientific research performance award won by Han Chunyu’s team has been recovered. Individual social posts are being handled according to legal procedures.

　　According to this result, after more than two years of ups and downs of being applauded and questioned, Han Chunyu himself just returned to the original point without being punished.

　　At the same time, if there is no subjective fraud, where is the basis for canceling the honorary title won by Han Chunyu and terminating scientific research projects? I’m afraid this needs further explanation from the school. What’s wrong with Han Chunyu’s team besides the "no subjective fraud"?

　　Compared with the fifth chapter of the Measures for Preventing and Handling Academic Misconduct in Colleges and Universities, "terminating or revoking relevant scientific research projects and revoking academic awards and honorary titles" is one of the treatments for those responsible for academic misconduct. The rest also includes informed criticism; Warning, demerit; Lowering the level of professional and technical posts and revoking professional and technical posts or administrative posts; Dismissal or dismissal; Other treatment measures stipulated by laws, regulations and rules.

　　If there is academic misconduct and it has a bad influence, it should be considered as serious. Treatment should be given to lower the level of professional and technical posts, revoke professional and technical posts or administrative posts; Expelled or dismissed.

　　In addition, Han Chunyu received 1 million yuan from the National Natural Science Foundation after the publication of the paper. In August 2016, the Development and Reform Commission of Hebei Province "agreed in principle" to the project of Hebei University of Science and Technology Gene Editing Technology Research Center with a total investment of 224 million yuan, and the funds were arranged by the provincial financial funds. This huge sum of money also makes the outside world think that the interests and reputations of Hebei University of Science and Technology and Han Chunyu are closely tied together.

　　On September 21, 2016, the project of purchasing imported instruments and equipment by the Gene Editing Technology Research Center of Hebei University of Science and Technology was opened in Shijiazhuang, with a budget of 19.58 million yuan.

　　At present, how does this most concerned huge sum of money end? Neither Hebei University of Science and Technology nor Hebei Provincial Development and Reform Commission announced a clear statement.

　　It is worth mentioning that this conclusion of Hebei University of Science and Technology not only makes the academic community full of doubts, but also feels disappointed. Some researchers said, "This survey results are contrary to the spirit of zero tolerance of academic integrity promulgated by the Ministry of Science and Technology. Now it is unclear why the counterfeiters can still continue to engage in academic work, and the academic community should really do it ‘ Zero tolerance ’ " .

　　More than one person is confused about the domestic academic environment. According to a report by WeChat WeChat official account Intellectuals a few days ago, Xu Chenyang, a mathematician born after 1980s who left Peking University to teach at Massachusetts Institute of Technology, talked about three major problems in domestic scientific and technological circles, including "academic fraud can’t be punished".

　　Xu Chenyang said, "Surprisingly, the suspected fraud has been exposed for a long time, and there has been no news to deal with it, let alone specific punishment measures."

　　"If ‘ Zero tolerance ’ Finally become ‘ Zero as ’ Or ‘ Inaction ’ It will make many people mistakenly think that our system does not punish or cannot punish academic fraud. If so, I think the impact is very bad. " Xu Chenyang mentioned.

　　At present, it seems that since the school announced the launch of the investigation in August 2017, the truth has not been one step closer to the public.

At present, pure electric mini-cars can be seen everywhere in our domestic streets. Among them, Wuling Hongguang MINIEV has become the first choice for many young car fans because of its close price and low car cost. In the past six months, it has sold 104,660 cars, which shows its popularity in our domestic auto market. Recently, Xiaobian learned from the official FAW Pentium that its brand-new pure electric mini-car-Pentium Pony has officially ushered in the market, and the official guide price range is: 2.69-31,900 yuan. In order to meet the car purchase needs of different car fans, this new car has launched a total of three configuration models to choose from. Will its arrival become the strongest opponent of Wuling Hongguang MINIEV? Let’s take a look at it with Xiaobian.

First of all, in terms of styling design, Pentium Pony, as a pure electric mini-car, adopts the popular closed grille design, with the charging interface under the huge LOGO logo, and the sharp headlight groups on both sides, which makes it look cute and cute. It is worth mentioning that because the price of the new car is close to the people, the headlights are all halogen light sources and only equipped with slow charging interfaces, which I believe most friends can accept. The side body looks very simple, the door handle is traditional, with a double-door design, providing four seats. In addition, the new car also adopts the current popular two-color design. In order to cater to the aesthetics of different younger brothers and sisters, Pentium Pony will also provide six body colors: camellia green, indigo blue, bubble blue, jasmine white, peach powder and cheese white (pearlescent white).

In terms of body size, the length, width and height of the Pentium pony are 3,000/1,510/1,630mm, the wheelbase is 1,953mm, and the minimum ground clearance is 130mm. Thanks to its short and compact body, it is very flexible to drive, and it can make you easily control whether facing a narrow parking space or a crowded road. In terms of interior design, Pentium Pony looks very simple, and the knobs and buttons in the central control area are clearly and regularly laid out, which is conducive to the driver’s daily and convenient operation. In addition, the new car also provides five interior color schemes: beach gold, peach powder, bubble blue, indigo blue and camellia green. The whole system comes standard with practical configurations such as main driver airbag, manual air conditioner, rear parking radar and remote control of mobile phone App, and the top models are also available.

In terms of power, Pentium Pony is equipped with a rear-mounted single motor, with a maximum power of 20 kW and a maximum torque of 85 Nm. In addition, the new car also provides lithium iron phosphate batteries with a capacity of 9.4 kWh and 13.9 kWh, and the CLTC’s pure electric cruising range is 122 km and 170 km respectively. It is worth mentioning that the minimum power consumption of the new car is only 8.8kW·h (that is, 8 kWh) per kilometer. On the whole, Pentium Pony, as a pure electric mini-car, is not only low in price and low in cost, but also very online in face value. If you had to choose, what would you choose, Wuling Hongguang MINIEV and Pentium Pony? Welcome to communicate and discuss together below. (Text/18)

At present, in the mainstream automobile market, in addition to the traditional fuel vehicles, there are also MHEV(48V light hybrid), HEV (oil-electric hybrid), PHEV (plug-in hybrid), REEV (extended range), BEV (pure electric) and FCV (fuel cell). In this field, consumers especially like to use oil-electric hybrid and plug-in hybrid as the first choice for car purchase, so what is the difference between oil-electric hybrid and plug-in hybrid, and which power system is more suitable for the current car environment?

　　The power system of hybrid electric vehicle is mainly composed of control system, drive system, auxiliary power system and battery pack. This hybrid system does not need to charge the battery. We only need to rely on the waste energy recovery of cars to store the electric energy. As we all know, under the condition of low-speed traffic jam and start-stop in the city, due to the influence of vehicle weight and load, it is often the most fuel-consuming stage of the engine. The advantage of the motor is that the torque at low speed is stronger and the dynamic response is more sensitive. Therefore, the combination of hybrid technology of oil and electricity can greatly reduce fuel consumption while ensuring power performance compared with traditional fuel vehicles.

　　Taking Toyota THS-II hybrid power system as an example, the power of engine, generator and driving motor is mechanically coupled by planetary gear mechanism. When starting and driving at low speed, only the motor is used to drive, achieving zero fuel consumption; During normal driving, the engine is used as the main power to drive the wheels, and at the same time, it drives the generator to charge and convert energy into electric energy; When fully accelerating, the engine and motor are driven at the same time, and the dynamic response is stronger; When slowing down or braking, the engine stops running, and the still rotating wheels drive the generator to recover energy, thus charging the battery.

　　Another Honda, which is a hybrid electric vehicle, adopts the dual-motor hybrid system i-MMD, which is suitable for being mounted on a medium-sized vehicle (such as the Accord). Different from Toyota’s THS system, Honda’s i-MMD system has a simpler structure, which is combined by the clutch between the engine and the motor.

　　Honda’s i-MMD hybrid system also uses dual motors, and compared with Camry, the motors on the Accord are more powerful. And the whole hybrid system is more inclined to be driven by motor. Under high-speed working conditions, the engine directly drives the car. In hybrid mode, the engine intervenes to charge the motor, and then the motor drives the car. Therefore, the hot hybrid electric vehicles in the market can be roughly divided into THS system of Toyota and i-MMD system of Honda Accord.

　　The hybrid Accord is because the engine only directly drives the wheels when cruising at high speed, which is equivalent to working only in the highest gear. The driving problems at low speed are all done by high-power motors, which simplifies the driving structure. The hybrid Camry uses planetary gear mechanism to realize the distribution of engine/motor power output. Although they have different working principles, they can have good fuel economy.

　　I have also tested the eighth generation Camry hybrid and the tenth generation Accord hybrid. When driving in the city, the Accord hybrid is stronger than the Camry hybrid in terms of dynamic response and vibration when the engine is involved.

　　In a macro sense, plug-in hybrid is also an oil-electric hybrid system, but according to the dependence of vehicles on electric energy, hybrid can be divided into weak hybrid (also known as MILD HYBRID, soft hybrid, micro hybrid, etc.), moderate hybrid, heavy hybrid FULL HYBRID (also known as full hybrid, strong hybrid, etc.) and plug-in hybrid. The Toyota Camry hybrid and Accord hybrid just cited belong to the category of strong mixing.

　　Compared with the hybrid version, the plug-in hybrid vehicle has a larger battery capacity (generally, it can travel more than 50Km on pure electricity), and provides a better fuel-saving ratio. It belongs to the hybrid vehicle with external power supply, and the main power output lies in the motor. Only after the electric output of the motor is exhausted can the traditional engine be used to travel, and the battery can be charged in time.

　　Take BYD Qin Pro DM version as an example. The DM dual-mode plug-in hybrid version will be equipped with a plug-in hybrid system with a 1.5T+ motor, with a maximum power of 113kW(154PS) and a permanent magnet synchronous motor with a maximum power of 110KW and a torque of 250 Nm. The pure battery life of MIIT is 80km. The transmission is matched with a 6-speed dual-clutch gearbox. The official 0-100Km/h acceleration time is 5.9s.

　　Advantages: Compared with the fuel version, it has higher fuel economy and driving texture.

　　The main power source of the hybrid electric vehicle is still the engine, but with the assistance of the motor, it can replace the most oil-consuming working condition of the engine. That is to say, when the city is driving at low speed and in congested conditions, the engine rarely intervenes. In most cases, the vehicle is driven by the motor, which avoids the waste of oil consumption when the engine is driving at low speed and the load is high, thus improving fuel economy.

　　Moreover, compared with the traditional fuel version with the same displacement, with the assistance of the motor, its dynamic performance is more excellent, and the dynamic response is more direct because it depends on the motor at low speed. In addition, at low speed or idle speed, the engine is stopped. Compared with the fuel version, the car is quieter and the driving quality is better.

　　Take the tenth generation Accord Sharp Hybrid as an example, it is equipped with the third generation i-MMD hybrid power system and a brand-new IPU (Intelligent Power Unit). The power system consists of a 2.0L naturally aspirated engine, dual motors, an e-CVT gearbox, a power control unit and a lithium battery. Among them, the 2.0L engine has a maximum power of 107 kW and a peak torque of 175 Nm. The maximum power of the motor is 135 kW, the peak torque is 315 Nm, the comprehensive output power is 158 kW, the acceleration of 100 km is only about 8 seconds, and the official comprehensive fuel consumption is 4.0L/100km.

　　At low speed and idle speed, vehicles and air conditioners and other electronic equipment are driven by motors, and they start quickly. However, in the case of rapid acceleration, the engine and the motor work together, and the engine intervenes smoothly with little vibration. Compared with the fuel version, it has a better and quieter driving texture, and at the same time, the fuel economy advantage is more obvious.

　　We also take the sales of Camry and Accord as examples. After the 10th Accord went on the market, by the end of the 18th century, the cumulative number of car owners had exceeded 120,000. In the fourth quarter, the average monthly sales of nearly 20,000 vehicles won the overall B-class car market sales champion, while the average monthly sales of Camry, the largest competing product in the same class, was 13,000 vehicles in the fourth quarter.

　　In addition, in January 2019, the sales volume of the 10th generation Accord terminal was 23,649 vehicles, up 24.9% year-on-year, of which 2,524 vehicles were sharp and hybrid, up 31.3% year-on-year, while Camry sold 19,720 vehicles. It can be seen that the Accord with lower pricing is more favored by consumers, and at the same time, more and more consumers are more willing to buy a more balanced hybrid model of oil and electricity.

　　Disadvantages: compared with the fuel version, the price is too high, there is no new energy subsidy, and there is no advantage in high-speed fuel consumption.

　　Compared with the fuel version of the same model, the hybrid version of oil and electricity has a more complicated structure due to the addition of a battery pack, so the cost is higher. Moreover, the hybrid model of oil and electricity will not enter the catalogue of new energy vehicles. To put it simply, the hybrid model is the same as the traditional fuel model and will not enjoy the national new energy subsidy.

　　For this reason, we specially selected several models that are popular in the market, namely Corolla, Camry, Accord and Sonata IX. As can be seen from their guide prices, the starting price of the fuel version and the price of the top model are lower than those of the hybrid version, and the price difference of the same configuration model is generally around 30,000 yuan, which makes consumers reluctant to buy more expensive hybrid models.

　　In addition, the hybrid gasoline-electric vehicle starts running under the condition of continuous and uniform high-speed driving. At this time, because the power of the motor is small, it can’t give full play to its advantages, so the fuel consumption when running at high speed is higher than that in urban areas. However, this is limited to the hybrid version itself, which is still more fuel-efficient than the fuel version at high speed.

　　Advantages: Zero emission in urban transportation, stronger motivation, license policy in some areas, and national and local new energy subsidies.

　　Plug-in hybrid models are equipped with larger battery packs. At present, the pure battery life of plug-in hybrid models sold in the market generally exceeds 50Km, which can basically meet the daily commute in urban areas. If you use pure electric mode to commute to work, you can achieve zero emission in urban commuting.

　　In addition, in recent years, China’s relevant policies have subsidized, encouraged and supported new energy vehicles, and there are new energy vehicle policies in Shanghai and Guangzhou. Plug-in hybrid vehicles can be licensed and enjoy national energy-saving subsidies, and these points have also become the most advantageous parts of plug-in hybrid vehicles.

　　Disadvantages: charging piles are needed. Fuel consumption is higher when the battery is dead.

　　The picture comes from the Internet.

　　When the battery is fully charged, you can commute as a pure electric vehicle. But when the battery has no battery, it needs a charging pile to charge it. Although there are many charging piles in first-tier cities, the growth rate of these infrastructures is relatively slow. In addition, the proportion of consumers who own private charging piles is still too small, and charging has become a problem for many new energy owners.

　　For this reason, many owners of plug-in hybrid vehicles only run it as a traditional fuel vehicle. However, because plug-in hybrid vehicles are loaded with large-capacity battery packs, they weigh hundreds of kilograms compared with traditional fuel vehicles, so under the same engine displacement, the acceleration time is slower and the fuel consumption is higher.

　　The schematic diagram shows BYD Qin Pro fuel version.

　　Let’s take BYD Qin Pro fuel version and Qin Pro DM dual-template models as examples. The kerb quality of Qin Pro fuel version 1.5TI dual clutch version is 1360Kg；; The kerb mass of Qin Pro DM double-template model is 1690Kg, and the difference between the two cars is 330Kg, which is equivalent to the weight of four adult males. It can be seen that when the battery is dead, it is equivalent to driving with full load, and the power performance and fuel economy will inevitably decline.

　　In the current form, the biggest drawback of new energy vehicles lies in the charging speed and cruising range. When the battery capacity reserve and charging technology can not reach the convenience of traditional fuel vehicles, it is wiser to choose hybrid models of oil and electricity and plug-in hybrid models.

　　Then, if you want to make a choice between hybrid electric vehicles and plug-in hybrid electric vehicles, I personally recommend hybrid electric vehicles besides the policy of sending licenses to local plug-in hybrid electric vehicles. Because this kind of vehicle has the same convenience as the transmission fuel vehicle (just refuel), and it has a great improvement in fuel economy and driving quality compared with the traditional fuel vehicle, so at present, the hybrid version of the vehicle has more advantages.

　　[car home Information] On October 16th, 2023 Chery Science and Technology Day was held. At this press conference, Chery introduced the latest technical features of Eta Ursae Majoris 2025.

　　Chery Eta Ursae Majoris 2025 technology will be applied to E0X high-performance electric platform and super hybrid platform, which will have the characteristics of safety, energy consumption, space, intelligent cabin and intelligent driving.

　　First of all, in terms of safety, the new vehicle structure will adopt lightweight space capsule made of high-strength steel and aluminum, two horizontal and three vertical embracing force transmission structures, active seat belts, remote airbags and integrated safety technologies. New energy vehicles are equipped with world-class battery safety, including safety batteries, super waterproof, super anti-collision, extreme heat protection, extreme high-voltage safety, and full-time monitoring.

　　In terms of energy consumption, Chery will build a world-class low energy consumption. In terms of pure electric vehicles, at room temperature, the minimum power consumption of CLTC is 11.7kWh/100km, the longest battery life of CLTC is 905km, and the battery life can be 150km after fast charging for 5 minutes. At low temperature, the endurance attenuation ratio is 9% due to the industry average. At high temperature, the endurance attenuation ratio is 3% due to the industry average. The low energy consumption comes from 56 technologies, including 0.205Cd low wind resistance, 30% light weight reduction, 800V high-efficiency electric drive, intelligent energy recovery, high-efficiency heat pump and so on.

　　In terms of hybrid vehicles, the fuel consumption of WLTC is 4.2L/100km, the pure battery life of WLTC is 106km, and the comprehensive battery life is 1,400 km. It only takes 19 minutes to charge from 30% to 80%, and the acceleration from 0 to 50 km/h is 3.4 seconds. 72 technologies bring hybrid low energy consumption, equipped with the fifth-generation ACTECO hybrid special engine, with thermal efficiency greater than 44.5%, stepless super hybrid DHT hybrid special gearbox and three-speed super hybrid DHT hybrid special gearbox. At the same time, Chery uses scenarios in full-speed domain, full-temperature domain and full-time domain for development.

　　In terms of interior space, taking (|) as an example, the occupancy rate of space reached 70.2%, surpassing an overseas brand limousine and a new force limousine. Storage space includes 32 storage places, over 436L, and 6 intimate storage places.

　　In terms of intelligent cabin, Chery will adopt EEA5.0 user-defined service-oriented electronic and electrical architecture, with 1000TOPS AI computing hardware architecture, SOA two-section coupling software architecture, high-bandwidth secure communication architecture, high-speed OTA iteration and global design. LION 6.0 intelligent cockpit, with 2.5K high-definition central control large screen and scene HMI；; Equipped with 8155 chip +5G, the response speed is faster; It will also be equipped with 23 speakers to take effect in the whole scene; AQS air purification system, CN95 filter element; Zero learning HMI interaction. LION AI large model voice assistant can be used as vehicle function tutor, emotional companion, encyclopedia, health consultant and travel planning. Through the AI big model.

　　In terms of intelligent driving, Chery Pilot 3.0 automatic driving assistance system will realize the functions of NOP, ramp interchange, intelligent comity, extreme weather, memory parking and remote parking in urban areas.

　　In the future, these new technologies will be installed on Chery Fengyun series pure electric cars and SUVs, Xingtu Xingjiyuan electric cars and SUVs, Jietu Shanhai series hybrid cities and off-road SUVs, and iCAR 03 pure electric vehicles.Chery’s models will enter Europe, Latin America, Africa, Australia, Southeast Asia, the Middle East, Central Asia, etc. The car networking has 16 languages and 8 voices, and these technologies will be enjoyed all over the world.

　　In terms of innovative technology of Kunpeng Super Hybrid C-DM, Fengyun A8 will have Super Hybrid 1DHT, Xingtu Eta Ursae Majoris will have Super Hybrid 3DHT, and Shanhai Traveler will be a five/seven-seat hard-core hybrid off-road SUV.

　　Looking forward to the future, Eta Ursae Majoris 2025 technology will be advanced in five major areas, including Mars architecture, Kunpeng Power, Lion Intelligent Cabin, Great Wisdom Driving and Galaxy Ecology. S2ma can expand the intelligent Mars architecture, with a wheelbase range of 2500-3500mm, and realize full-line control chassis, large space, CTC battery, intelligent distributed drive and pluggable EEA 6.0. S2ma Chery Intelligent Chassis CIC 3.0 realizes multi-domain integration and full scene. In terms of drive technology, it has DHE 6.0 hybrid special engine, E-Fuels engine, DHT 4.0 super hybrid box and intelligent vector dual motor. In terms of the core technology of the intelligent cabin, it includes LION Melody 2.0 brand audio, LION AI big model 2.0, LION OS system, high computing platform, international car networking and car enjoyment meta-universe. In terms of intelligent driving, it has Pilot 4.0 to realize urban commuting mode, high-speed navigation and driving, and remote summoning parking. Drive 2.0 includes Robotaxi, urban high-speed full scene, and completely unmanned operation.

　　In terms of product planning, Chery plans to launch five super hybrid and four high-end electric vehicles on E0X platform in the fourth quarter of this year, and launch 24 super hybrid and 15 high-end electric vehicles on E0X platform within two years.

　　Contemporary Amperex Technology Co., Limited Shenxing rechargeable battery will be the first vehicle to land in Xingtu Xingyu Era.Shenxing battery is the world’s first 4C rechargeable battery made of Ferrous lithium phosphate material and capable of mass production. It can be charged for 10 minutes and has a battery life of 400 kilometers, with a cruising range of more than 700 kilometers. (Text/car home Qin Chao)

Original Luna bund education

highlight

Recently, Harvard University announced that starting from the fall semester, the self-developed language model CS50 Bot will be used as the teaching assistant of the popular course Introduction to Computer Science, so the new students will become the "first batch to eat crabs". This move has caused heated discussion on the Internet, and some people worry that AI will undermine students’ motivation to learn; Professor Harvard said that AI teaching assistants can alleviate the real teaching dilemma and improve the learning experience.

Wen, Luna, Jennifer

Since last year, the popularity of the AI topic has not diminished. However, it is still surprising to see that Harvard will "hire" AI in the ace elective course: "Has the application of AI evolved so fast?"

The news came from Harvard Crimson. David Malan, the lecturer of CS50 (Introduction to Computer Science), confirmed that this course will start from the autumn semester, and AI will serve students with 50 Course Assistant and Teaching Fellow (TF is a more advanced teaching assistant than CA).

The headline of Harvard Crimson &Malan’s Twitter response

The AI used this time is not the familiar GPT-3.5 or GPT-4, but a language model CS50 Bot developed by Harvard itself. It will be responsible for answering some common questions in the course, giving suggestions for revising students’ homework, and answering students’ questions at any time outside the working hours of other teaching assistants.

The CS50 course, in which AI is a teaching assistant, is a popular course at Harvard. In the past decade, the number of students enrolled in the course ranges from 500 to 800 each year. There are even students from other majors who have switched to computer science or engaged in related work in this major after finishing classes.

CS50 Statistics on the number of students who choose courses every year

Such a popular course, when Harvard has not launched a complete educational application scheme for AI, directly introduces AI teaching assistants, which makes people sigh, "How dare Harvard!"

The hot discussion on the Internet also has different ideas:

Some people think that the function of AI is too powerful, and worry that this is the beginning of AI replacing human beings?

Some people also question the ability of AI, and ask Harvard that the annual tuition fee is as high as $50,000. Is it fooling students with AI?

Some people also worry that AI will make students no longer motivated to learn, and even completely subvert human cognitive development.

So, as one of the representatives of the top universities in the United States, what does Harvard applied AI assistant think? What kind of thinking does Harvard have in the face of all kinds of doubts about the AI crisis?

Harvard’s hottest CS50 also has bad reviews.

AI teaching assistants are here to "put out the fire"

Will AI replace human teachers? This is the first reaction of many people after seeing Harvard news.

However, if you look through the report in Harvard Crimson, you will find that CS50 Bot, the teaching assistant, is more like "fighting fire" than replacing human teaching assistants and professors.

On the one hand, Malan, the lecturer, has always positioned CS50 Bot as a learning tool for students, and never mentioned that Bot should be the lecturer. Even as a teaching assistant, Bot is "inferior", and its advice can only be considered "accurate" after being confirmed by other teaching assistants.

On the other hand, Malan urgently hopes that AI can improve students’ learning experience, so that this big class of nearly 1,000 students can also provide 24-hour one-on-one tutoring. In the past, this was an impossible task.

Professor Malan gave a lecture on Introduction to Computer Science.

Photography alana Steinberg

Malan is not only planning a large-scale AI test, but also considering the dilemma of real teaching.

In many people’s impression, Harvard’s ace course has its own aura-in the YouTube recording of CS50, David Malan stood on the spacious stage of Sanders Theatre and explained those complex computer concepts like a drama.

If you are lucky enough to study at Harvard, you will also know that this course also has a huge teaching assistant group to provide reference materials and homework guidance for students.

But in March this year, another report in Harvard Crimson, Undervalued, but Highly Utilized, revealed the bitterness behind the brilliance of these large-scale introductory courses.

The Harvard Crimson Report on Teaching Assistants

"Professor Malan gave a wonderful lecture on the stage, but other studies depend on teaching assistants." Fernandes, a former CS50 teaching assistant, expressed his opinion. "In essence, it is the teaching assistant who propped up this course."

Managing the professor’s office hours, leading small tutoring and attending weekly staff meetings are still reasonable jobs for teaching assistants. Nowadays, they have to answer questions for a long time after class and prepare most of the course materials.

These burdens have far exceeded the provisions of the school agreement-teaching assistants can be paid up to 10 hours a week, and course assistants can only calculate up to 4 hours. According to this standard, Fernandes leaves only three hours for homework review every week. Even if there are dozens of people in the teaching assistant group, each person is too busy for three hours.

Leggett, the current teaching assistant of CS50, added a "slot": "The teaching assistant has to support the exhibition of CS50′ s works, but often the day after tomorrow is our own final exam of advanced computer science. The agreement never mentioned this time conflict, and the consequences can only be borne by ourselves."

In this case, CS50 is no exception. Introduction to probability and comprehensive introduction to life science are all the same.

In addition to the dissatisfaction of the student teaching assistants, the students of elective courses also suffered a lot of "dumb losses".

Harvard’s admissions website reads, "As world-class educators, professors work side by side with students to encourage them to look at problems with new eyes." However, many Harvard students feel that they are just the audience who listen to the professor’s lectures. If you really want to say that students work side by side, it is still the teaching assistant.

"Although it is indeed possible for students to have direct contact with some of the greatest scholars in the world, this opportunity is much smaller than it seems." "Harvard Crimson" commented.

What’s more, teaching assistants are students after all. No matter how much they love their subjects, there is a real gap between them and professors in knowledge, thinking and teaching.

Some students who have taken the introductory biology course complain that the teaching assistant knows a lot, but the level of counseling is worrying, and she can’t paraphrase complex concepts into expressions that she can understand. Finally, she is left to recite and memorize.

There are also teaching assistants who are limited by knowledge storage and understanding, and their opinions are contradictory to those of professors, which is simply worse for students who have doubts.

Kyle Waldman, who is studying for a doctorate, said that unless it is a small class or the students themselves are extroverted, it is "difficult for professors to interact with students continuously". Compared with smaller schools, Harvard students are "disadvantaged".

Students want more counseling, teaching assistants call for less work, and professors find it difficult to find a balance between research and teaching. The contradiction between students’ needs and the cost of manpower and time is becoming more and more prominent.

Since students cannot be banned from using AI,

It’s better to "turn an enemy into a friend" and take advantage of AI.

Malan asked AI teaching assistants to "put out the fire", so the way of using AI is also more "radical" among Harvard professors. But in fact, this is already slow.

Students’ hands and feet are faster than professors’ countermeasures. At the end of last year, just after ChatGPT came out of the circle, there were Harvard students driving ChatGPT and taking online open-book exams, and it was not a case.

It was not until late January that the email from the undergraduate education office arrived late, asking teachers to pay attention to the influence of ChatGPT, but no specific regulations were given, and the decision-making power was handed over to teachers.

Most professors in Harvard have a negative attitude towards the influence of AI technology, so many classes are forbidden to use ChatGPT, such as religion, Spanish and physics.

More teachers realize that it is impossible to ban it completely, so they try their best to reduce students’ chances of using ChatGPT and push them to learn by themselves.

Previously, the main assessment of French classes was done in the classroom, which restricted students from using Google Translate as a tool. After the popularity of ChatGPT, Amanda Gann, a lecturer, changed the final evaluation to "paper+dialogue", asking questions at any time to prevent students from writing a draft in advance with ChatGPT.

Gann admits that if it weren’t for ChatGPT, oral evaluation wouldn’t have such an important position as it is now. This also inspired her to reflect on her homework: "Is this something that only humans can do?" "How to make students not want to use AI to complete it from the beginning?"

As heroes think, so thought Bruce. Boaz Barak, a professor of computer science, also made homework and exams more difficult.

In the past, writing a simple neural network code was enough to complete an assignment; But now, students should reproduce a more complex code inspired by cutting-edge research. "Since students have access to more advanced tools, I naturally have to ask for more."

Professor Maria Dikcis of "English: The Dark Side of Big Data" went one step further and encouraged students to use ChatGPT critically. In her homework, she tried to make students compete with machine intelligence: the students wrote a short analysis article first, then generated a paper on the same topic with ChatGPT, and then compared the two articles. She hopes that students can see the shortcomings behind the brilliant appearance of AI and think about the significance and value of these shortcomings.

In contrast, the AI teaching assistants of CS50 have a feeling of "turning enemies into friends". Teachers are worried that students use AI because ChatGPT is so easy to use, so it is better to use this in turn and make AI a 24-hour online teaching assistant.

This idea is also in line with the personalized learning experience that Malan has been exploring. In order to keep students with different levels interested in CS50 all the time, Malan and teaching assistants designed assignments with different difficulties.

Statistics of Students’ Learning Feeling in CS50 Course & Hierarchical Homework Design

For example, students with weak ability to design filters for pictures can write a black-and-white filter, while students with strong ability can challenge the filter of film negative+reverse color.

Students of different levels can freely choose the difficulty of homework.

But the problem of students has been solved, and the time contradiction of teaching assistants still exists. They spend a lot of time commenting on homework. It takes less than 14 seconds for students to read the comments. After revision, it takes a long time to get a reply. "This is not an efficient way for teaching assistants and students to use their time." Malan said.

And the convenience of AI is like the missing piece of puzzle. Therefore, Malan makes AI teaching assistants undertake a lot of procedural and repetitive work. Although the revised opinions of AI teaching assistants still smell like robots, they hit the nail on the head to find the problem and give a detailed explanation, but they also got the evaluation of "weirdly informative".

CS50 Bot under test

AI teaching assistant is a large-scale technical test, and it also shows students how to use AI reasonably. After that, Malan also hopes to integrate AI technology into other STEM classes and even humanities classes, bringing some changes to teaching.

Be the master of learning or the puppet of technology?

AI is a sword of Damocles.

However, the change of teaching methods still seems to be unable to solve a question-AI is coming, can human beings hold their ground and not be replaced?

The experience of Steven Pinker, a psychology professor at Harvard University, is a very intuitive answer:

As the speaker of the introductory psychology course, he was once worried that ChatGPT was strong enough to take his place until he discovered the cognitive difference between AI and human beings.

"I asked ChatGPT,’ If Mabel is alive at 9 am and 5 pm, is she still alive at noon?’ We all know that once a person dies, he can’t be resurrected, but ChatGPT replied,’ There is no information to clearly indicate whether Mabel is still alive at noon.’ It can be seen that AI does not grasp the basic facts of the world operation and lacks common sense and logic on which human beings depend. "

"Human memory and computing power are limited, and it must be admitted that AI is stronger in retrieving a large amount of information." Pinker said, but AI’s "cognition" comes from the collection of massive information, and it has not developed logical ability, which is completely different from human beings.

Steven Pinker said in an interview with Harvard Gazette.

It can be said that thinking ability is a unique advantage of human beings, and logical ability is only one of them. Whether students can exercise various thinking abilities in their study determines the result of "confrontation" with AI. On this issue, Harvard professors also emphasized the weaknesses of AI thinking ability.

Lack of critical thinking is another obvious weakness of AI at present.

The MIT Science and Technology Review issued an early reminder that because there are a lot of biased and hateful languages on the Internet, AI as a training set will further amplify these prejudices.

In addition, generating false content has always been an obvious problem for AI. In March of this year, experts from NewsGuard found that GPT-4 responded to false news 100%, and GPT-3.5 could reply to at least 20% of false news that "these statements are groundless".

NewsGuard’s report on GPT-4

In addition, GPT-4 is less "good" at programming than before, and the introduction of AI teaching assistants on CS50 has also caused some doubts. Malan himself predicted that AI teaching assistants might "occasionally perform poorly or even make mistakes" at the beginning.

However, he believes that this is precisely the opportunity for students to exercise their thinking ability. He tells students that "when receiving information, whether it is from AI or human beings, we must always think critically. Identify the authenticity of the information, evaluate the credibility, and then decide whether to accept the other party’s information. "

The ability of reasoning and thinking is also the weakness of AI, although it is very confusing.

Some students use ChatGPT to summarize the general idea of reading materials, and its word-for-word output makes people feel that it is really thinking. But is this really the case?

Soroush Saghafian, an associate professor of public policy at Harvard’s Kenny School of Politics, called this a flaw in AI. "People think that AI can think, reason, and even think that it is omnipotent, which is the result of commercial speculation."

Frankle, the chief scientist of MosaicML, an artificial intelligence startup, also verified this statement: "The purpose of developing AI by startups has always been to build a great language model product, rather than publishing and sharing knowledge, which is only an incidental effect."

Saghafian believes that students should actively interact with ChatGPT, but also understand the disadvantages of AI itself. "At that time in 2000, teachers taught students to understand the shortcomings of search engines like Google in thinking, and now they need to treat ChatGPT as well. Students should understand the difference between reasoning and simply outputting content. "

Where does human thinking ability come from? It must be in the process of learning. However, when high scores and GPA are especially needed, students will inevitably use ChatGPT to be lazy. Even Harvard professors have limited means to use, and the decision to study is ultimately in the hands of students.

Nevertheless, Harvard University and professors try their best to inspire students:

Harvard calls the meaning of learning the value of intellectual transformation.

"It will be difficult to change yourself. To learn the principles of quantum mechanics or to understand the society before the industrial revolution, we need to deconstruct and reconstruct our world view. Therefore, Harvard University not only emphasizes academic ethics, but also expects students to experience this difficult process. "

John Hamilton, a professor of German and Comparative Literature at Harvard, said something more profound:

Technology has broken all kinds of restrictions and made our life easier and more convenient. We can fly across the world, scan literacy maps, or search keywords in Google to learn anything. However, what can give us meaning in life is limitation.

If there is enough gold, we won’t care about it; If we can live forever, we won’t care too much about life. Our concern comes from our limited ability. Life without limits will eventually be worthless.

References:

1.CS50 Will Integrate Artificial Intelligence Into Course Instruction

2.‘Undervalued, but Highly Utilized’: CAs, TFs, and the Quality of a Harvard Education

3.ChatGPT, Cheating, and the Future of Education

4.SIGCSE 2023 – Differentiating for Comfort with Computer Science

5.Harvard Taps AI to Help Teach Computer Science Course

6.How to make a chatbot that isn’t racist or sexist

7.Despite OpenAI’s Promises, the Company’s New AI Tool Produces

8.Misinformation More Frequently, and More Persuasively,than its Predecessor

9.Will ChatGPT supplant us as writers, thinkers?

Original title: "The ace course asks AI to be a teaching assistant. After reading this wave of operations at Harvard, I found that AI is a blessing or a curse, only in a moment."

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