三个子系统的研究目标、范围和要求是不同的，对于中小学教师而言，更应关注的是教学形式系统。

Primary and secondary school teachers are supposed to pay more attention to the form system, which can be divided into three levels.

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教学形式系统可分为三个层级：最顶端为教学风格；第二层为教学策略、教学模式；第三层最为丰富，包括教学手段、教学方法、教学语言、教学程序、教学结构等等。

The top level of it is teaching styles, the second level is teaching strategy and mode, the third level involves teaching means, method, language, procedure and structure and so on.

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本文探讨了一种基于校园网的多媒体网络教学系统的设计和直播课堂与在线学习两种形式的多媒体网络课件的制作方法。

In this paper, a multi-media network education system based on campus network and design of streaming media courseware and on-line learning courseware is discussed.

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