利用超文本与超媒体技术进行电大的音像教材建设杨宏宇一电大自创办以来，以其开放性、灵活性、社会性等特点和优势为国家培养了大批应用型高等专门人才而倍受社会的欢迎。然而我们也应看到，近年来越来越多的教学班减少或放弃了组织学生收听收看广播电视教育节目，而去寻... The use of hypertext and hypermedia technology to carry out the construction of audio-visual teaching materials of TVU Since its founding, Hongyu Wang TVU has trained a large number of application-oriented higher specialized personnel and enjoyed great social welcome with its openness, flexibility and social features and advantages . However, we should also see that in recent years more and more teaching classes have reduced or abandoned the organization of students to listen to radio and television education programs to look for ...