. ..... 1 引言 ......................................................................................................................................................21.1 编写目的 .....................................................................................................................................................2 1.2 背景 ..............................................................................................................................................................2 1.3 定义 ..............................................................................................................................................................3 1.4 参考资料 .....................................................................................................................................................3 2 程序系统的结构 .................................................................................................................................43 程序 1（标识符）设计说明 .............................................................................................................43.1 程序描述 .....................................................................................................................................................4 3.2 功能 ..............................................................................................................................................................4 3.3 输人项 ..........................................................................................................................................................6 3.4 输出项 ..........................................................................................................................................................6 3.5 流程逻辑 .....................................................................................................................................................7 3.6 接口 ......
