1 1 引言 ............................................................................................................................................... 21.1 编写目的 ................................................................................................................................. 21.2 背景 ......................................................................................................................................... 21.3 定义 ......................................................................................................................................... 21.4 参考资料 ................................................................................................................................. 22 程序系统的结构 ........................................................................................................................... 23 程序 1（标识符）设计说明......................................................................................................... 33.1 程序描述 ................................................................................................................................. 33.2 功能 ......................................................................................................................................... 43.3 性能 ......................................................................................................................................... 73.4 输人项 ..................................................................................................................................... 73.5 输出项 ..................................................................................................................................... 83.6 算法 ......................................................................................................................................... 93.7 流程逻辑 ....................................................
