After six months of effort, the voice chatting system was completed. This system includes requirements analysis, and functional modules, multimedia programming, server-client model.
经过半年多的努力，终于完成了语音传输零碎的需求剖析、模块功用划分、多媒体编程、效劳器-客户端模型等。
The general structure of this system includes three parts, the analysis of system requirements, functional design and data base design.
其中，数据库设计包括空间数据库设计和属性数据库设计，并且需要建立它们之间的连接关系。
The general structure of this system includes three parts, the analysis of system requirements, functional design and data base design.
其中，数据库设计包括空间数据库设计和属性数据库设计，并且需要建立它们之间的连接关系。
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