11引言...............................................................................................................................................21.1编写目的.................................................................................................................................21.2背景.........................................................................................................................................21.3定义.........................................................................................................................................21.4参考资料.................................................................................................................................32程序系统的结构...........................................................................................................................33程序1（查询预订系统）设计说明.............................................................................................43.1程序描述.................................................................................................................................43.2功能.........................................................................................................................................53.3性能.........................................................................................................................................53.4输人项.....................................................................................................................................53.5输出项.....................................................................................................................................63.6算法.........................................................................................................................................63.7流程逻辑.................................................................................................................................73.8接口.........................................................................................................................................83.9存储分配.................................................................................................................................93.10注释设计...............................................................................................................................93.11限制条件...............................................................................................................................93.12测试计划...............................................................................................................................93.13尚未解决的问题...................................................................................................................94程序2（退订系统）设计说明.....................................................................................................94.1程序描述.................................................................................................................................94.2功能.......................................................................................................................................104.3性能.....................................................................................
