Proposed the data base design module system design plan afterwards according to the demand, and according to the above has carried on the detailed design and the code realization.

之后根据需求提出了数据库设计模块的总体设计方案，并据此进行了详细设计和编码实现。

Proposed the localization management subsystem module system design plan afterwards according to the demand and according to the above has carried on the detailed design and the code realization.

之后根据需求提出了定位管理子系统模块的总体设计方案，并据此进行了详细设计和编码实现。