1．引言............................................................................................................................................11.1 编写目的 ............................................................................................................................. 1 1.2 项目背景 ............................................................................................................................. 1 1 。 3 定义 ................................................................................................................................. 2 1 。 4 参考资料 .......................................................................................................................... 3 2 ．任务概述 .................................................................................................................................... 3 2 。 1 目标 ................................................................................................................................. 3 2 。 2 运行环境 .......................................................................................................................... 4 2.3 条件与限制 ......................................................................................................................... 4 3 ．数据描述 .................................................................................................................................... 4 3.1 静态数据 ............................................................................................................................. 4 3.2 动态数据 ............................................................................................................................. 5 3 。 3 数据库介绍 ...................................................................................................................... 5 3 。 4 数据词典 ..................................................................
