网络授课

系统主要由四个子系统组成：信息管理子系统、网络授课子系统、网络答疑子系统及网络考试子系统。

This system mainly consists of four pieces of module : information management subsystem , network teaching subsystem , network answering questions subsystem and network examination subsystem .

目前的网络授课系统绝大多数采用的是C/S模式，缺乏互动性，传统授课也有一定的局限性。

Most of the existing network schoolteaching systems adopt C / S mode . They are inconvenient for communications between teachers and students , and traditional schoolteaching also has certain limitation .

现代网络教育对班级授课制的积极影响

Positive Influence of Modern Web-based Education on Class-based Teaching

教师使用该系统在网络虚拟课堂上授课，学生不但可以同步的看到教师机的屏幕内容、听到教师授课的声音，而且可以看到教师授课时的形象和动作。

With the system , students can not only receive the contents of the teacher 's screen , voice but also receive the video of the teacher 's movement .

简要说明了如何利用现有的网络资源构建网络教学在线授课系统的原理和实现方法。

It displays the principle and methods to establish an online teaching system by using the network source at hand briefly .

基于流媒体技术，易于升级换代的纯软件网络实时教学系统能够有效组织网络教学授课形式，再现课堂真实场景，为网络教育提供了有力的技术支持。

Based on stream media technology , the easy-updating pure software of online real-time teaching system could effectively organize online teaching and reconstruct real classroom scene , it provides the online education a powerful technology support .