The functional modules of the virtual classroom system are virtual classroom supportive platform, learning supportive tools and system information database.

虚拟教室的功能模块包括虚拟教室支持平台、教学支持工具集和系统信息库。

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Collaborative learning model and virtual classroom model are analysed, and system structure model based on collaborative work is also designed and implemented.

分析了协同教学的过程模式和虚拟教室模型；设计并实现了相应的系统结构模型。

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The Manhattan Virtual Classroom is a web-based course management system that includes a variety of discussion groups, live chat, areas for the teacher to post the syllabus and other handouts and notices, a module for organizing online assignments, a grades module, a surveys module, and a unique, web-based email system open only to students in the class.

UNESCO: Free and Open Source Software for E-learning