火车售票系统需求规格说明书作者：李艳亮2013年11月目录1．引言............................................................................................................................................21.1编写目的.............................................................................................................................21.2项目背景.............................................................................................................................21.3定义....................................................................................................................................21.4参考资料.............................................................................................................................22．任务概述....................................................................................................................................32.1目标....................................................................................................................................32.2运行环境.............................................................................................................................32.3条件与限制.........................................................................................................................33．数据描述....................................................................................................................................33.1静态数据.............................................................................................................................33.2动态数据.............................................................................................................................43.3数据库介绍.........................................................................................................................43.4数据词典.............................................................................................................................43.5数据采集.............................................................................................................................84．功能需求....................................................................................................................................84.1功能划分.............................................................................................................................84.2功能描述.............................................................................................................................95．性能需求....................................................................................................................................95.1数据精确度.........................................................................................................................95.2时间特性.............................................................................................................................95.3适应性................................................................................................................................96．运行需求....................................................................................................................................96.1用户界面........................................................................
