Based on the integrated technology of WEB, the article mainly analyses the realization scheme of the key technology of the course-choosing management system in the vocational and technical colleges.

在基于WEB集成技术的前提下，文章主要分析了职业技术院校选课管理系统核心技术的实现方案，重点讨论系统的开发思想、数据存储和数据交换、选课核心算法及系统的安全性等。

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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