网络课程在教学系统平台和网络课程内容及相应资源开发方面存在许多问题。
There are a lot of problems in the platform of teaching system, contents of network courses and corresponding resource exploitation about network courses.
针对网络课程内容与学习对象的特点，建立了描述原子知识点和知识单元的模型。
The characteristics of network course contents and students are used to build, the model of describing knowledge point and knowledge cell.
最后又以网络课程内容界面中的文本信息设计为例，通过实验对有关设计理论进行了验证。
At the end of this thesis, some experiments have been made to prove these designing theories taking the text information on web-course interface as example.
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