Put it on. The archives of graduate students include graduate transcripts, degree application and evaluation books, academic evaluation books, defense materials, dissertations and other materials, which are kept by the school archives as permanent materials, so the explanation of the revision of defense opinions is placed in the archives. Defense is an educational term, which means that teachers of several related majors ask some questions according to students' design entities and papers, and at the same time listen to students' personal explanations to understand the authenticity and familiarity of students' graduation design; Examine students' adaptability and knowledge; Listen to students' understanding of the development prospect of the project.