目 录第一章 前言和背景........................................................................................................................4§1.1 前言..................................................................................................................................4§1.2 背景..................................................................................................................................5第二章 现状分析............................................................................................................................5第三章 系统设计目标与原则.........................................................................................................6§3.1 系统目标...........................................................................................................................6§3.2 系统设计原则...................................................................................................................6§3.2.1 开放性和互联性....................................................................................................6§3.2.2 适应性....................................................................................................................7§3.2.3 先进性和成熟性....................................................................................................7§3.2.4 安全保密性............................................................................................................7§3.2.5 管理简便................................................................................................................7§3.2.6 可移植性................................................................................................................8§3.2.7 可维护性................................................................................................................8§3.2.8 可扩展性.............................................................................................................