The participating experts expressed their opinions on how to express the basis, research content, research scheme and innovation of the project from the perspective of discipline and specialty, especially put forward guiding suggestions on the conciseness and expression of key scientific issues in the project research, emphasizing that key scientific issues should be refined, concentrated and prominent, and should be cutting-edge, original and innovative. At the same time, according to the review experience, experts put forward valuable suggestions on the overall layout of PPT, the control of defense time and the introduction of key links. Before the defense, the atmosphere was warm, and the communication between the defense team members, teachers and experts was very active. After the defense, Yin Shuangfeng, president of the Institute of Science and Technology, summarized the pre-defense meeting, emphasized the importance of organizing the pre-defense meeting, and asked the project team to learn from the professional suggestions put forward by experts during the meeting to further improve the project defense materials.