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文档名称:需求规格说明书 项目名称:旅行社管理信息系统 目录 I.引言····································································4 1.1 编写目的···························································4 1.2 项目背景···························································4 1.3 术语说明···························································4 1.4 参考资料···························································5 II.项目概述································································5 2.1 待开发软件的一般描述················································5 2.2 待开发软件的一般功能················································5 2.2.1 待开发软件方块图···············································5 2.2.2 待开发软件功能级模型图·········································6 2.2.3 待开发软件整体数据流图·········································7 2.2.4 待开发软件数据流图模块细化·····································8 2.2.4.1 组团细化·················································8 2.2.4.1.1 组团报价数据流图····································8 2.2.4.1.2 组团核算数据流图····································8 2.2.4.2 退团细化·················································9 2.2.4.3 账务细化·················································9 2.2.4.3.1 成本核算数据流图····································9 2.2.4.3.2 综合账务数据流图····································10 2.3 产品各实体属性图····················································10 2.3.1 用户实体及属性·················································10 2.3.2 团队实体及属性·················································10 2.3.3 员工实体及属性·················································11 2.3.4 客户实体及属性·················································11 2.3.5 账务实体及属性·················································12 2.3.6 产品总体E-R图·················································12 2.4 用户特征····························································13 2.5 运行环境要求························································13 2.5.1 硬件环境·······················································13 2.5.2 软件环境·······················································13 2.
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