首先介绍了系统的逻辑结构和数据库设计等总体设计内容，然后对重点模块的详细设计及实现过程进行了详细的描述。
The collectivity design process such as logic and database structure is explained, and the detail design course of main modules is also described particularly.
首先介绍了系统的逻辑结构和数据库设计等总体设计内容，然后对重点模块的详细设计及实现过程进行了详细的描述。
The collectivity design process such as logic and database structure is explained, and the detail design course of main modules is also described particularly.
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