Yes In order to facilitate the teacher's reference and guidance, the teacher has a paper in his hand, and the page number must be the same as that sent to the defense, so that the teacher can find the corresponding page by himself when asking questions. Defense is an educational term. Generally, teachers of several related majors put forward some questions according to students' design entities and papers, listen to students' personal explanations, and understand the authenticity and familiarity of students' graduation design.