介绍GEPS系统应用软件开发背景，阐述系统主要模块功能特点、系统的数据库结构和系统架构模式，以及系统安全策略及访问控制功能的全局实现，最后论述系统开发过程中几个关键问题的解决办法。

This article introduced the GEPS system application software development background，elaborated the system main module function characteristic and the system database structure and the system construction pattern. As well as system safety strategy and access control function overall situation realization. Expound the fact system develop course several key solution of problem finally.