Then the article technologically analyzed the key technology of the tele-education system includes the technology of the data base, multimedia technology and network technology, etc.
随后，文章从技术上分析了远程教育系统的关键技术主要包括数据库技术，多媒体技术和网络技术等。
Then apply the operation principle of COD system to the tele-education, design detailed structure of the tele-education COD system and database structure.
然后将COD系统的运行原理应用于远程教育中，设计了远程教育COD系统的详细结构和数据库结构；
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