其次为实现系统各移动终端的地理定位和各子系统之间信息交流，设计GPS定位程序流程和GPRS无线通讯程序流程。
Secondly system realizes the geographical locating for mobile terminals and information exchanges between subsystems. The paper designs the processes of GPS locating and GPRS wireless communication.
其次为实现系统各移动终端的地理定位和各子系统之间信息交流，设计GPS定位程序流程和GPRS无线通讯程序流程。
Secondly system realizes the geographical locating for mobile terminals and information exchanges between subsystems. The paper designs the processes of GPS locating and GPRS wireless communication.
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