Self-learning system is one of the most important parts, the host sets up the connection with the servers using unicast address, the package is transferred, then self-learning.

• 自主学习系统是远程教育系统中的一个重要组成部分,学生主机利用单播地址建立和课件服务器的连接,然后数据传输,进行自主学习。