The physics graduate students of Dalian University of Technology did not participate in the experiment in the second interview. According to the relevant public information, the re-examination of physics graduate students in Dalian University of Technology is mainly an interview to examine foreign language ability and comprehensive quality ability, without taking experiments. Dalian University of Technology, referred to as Dagong, is located in Dalian, Liaoning Province. It is a national key university directly under the Ministry of Education of People's Republic of China (PRC). The Ministry of Education and the State Bureau of Science, Technology and Industry for National Defense have established universities, while the Ministry of Education, Liaoning Province and Dalian have established universities, national first-class universities, national 985 projects and 2 1 1 projects. Major members of the Union of Universities of Excellence, China-Russia Union of Engineering Universities, China-Russia Jiaotong University Union, China-Europe Engineering Education Platform, National 16 Symposium on Scientific and Technological Work of Key Engineering Universities, and China Artificial Intelligence Education Association. Selected into the national 20 1 1 plan,1plan, excellent engineer education and training plan, national postgraduate plan for building high-level universities, new engineering research and practice project, scholarship institution of China government for overseas students, national pilot universities for implementing engineering education reform, national innovation and experiment plan for college students, and national innovation and entrepreneurship training plan for college students. China is the first batch of demonstration universities to deepen the reform of innovation and entrepreneurship education, the first batch of national universities' practical education and innovation and entrepreneurship bases, and the first batch of universities' scientific and technological achievements transformation and technology transfer bases.