函授教育是我国现代高等教育的重要组成部分和教育形式，它最大的特点就是：知识的传授、师生的交流主要是通过一定的函件来实现，学生主要靠自学完成学业，教师主要靠通信辅导和编著教材来进行教学。函授教育中，教材（包括基本教材和辅助教材）有着重要的作用；教材不仅是知? Correspondence education is an important part of our country’s modern higher education and form of education. Its greatest feature is that knowledge is imparted, and the communication between teachers and students is mainly achieved through certain correspondences. Students mainly complete their studies by self-study. Teachers mainly rely on communication counseling And compiled teaching materials for teaching. Correspondence education, textbooks (including basic textbooks and supporting textbooks) has an important role; textbooks not only know?