数据库模式就绪并装入了静态数据后，现在必须说明如何将数据通信给客户机，反之亦然。

With your database schema in place and static data loaded, now you must address how you're going to communicate that data to your client and vice versa.

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本文对计费系统的设计及各功能模块的实现进行了详细的论述，重点介绍了数据包捕获模块、数据通信模块和计费数据库的设计。

The thesis explicates the system design and its function models implementation, mainly fouces on packets capture model, data communication model and accounting database design.

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介绍的公路交通事故救援系统是一个集数据通信、数据库和地理信息系统为一体，并具有一定智能决策指挥功能的综合性集成系统平台。

This paper introduces an integrated platform in which data communication, database and GIS are integrated into one accident emergency rescuing system. The system has intelligent decision functions.

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