3.2.2.4 换导航形式 21
3.2.2.5 换背景 22
3.2.3 价格清单............................................................................................................22
3.2.4 付款...................................................................................................................22
3.2.5 系统生成............................................................................................................22
3.2.6 系统试用............................................................................................................22
3.3 查询配置 23
3.3.1 浏览配置............................................................................................................23
3.3.2 修改配置............................................................................................................23
3.4 用户查看 23
3.5 使用管理 24
3.5.1 到期提醒............................................................................................................24
3.5.2 自动失效............................................................................................................24
3.6 交易记录 25
3.7 功能管理 25
3.7.1 查看功能............................................................................................................25
3.7.2 添加功能............................................................................................................26
4. Performance Requirements 性能需求.............................................................................26
4.1.1 时间性能需求.....................................................................................................26
4.1.2 系统开发性能需求.............................................................................................26
5. External Interface Requirements 外部接口需求..............................................................26
5.1.1 User Interface 用户接口....................................................................................26
5.1.2 Software Interface 软件接口.............................................................................26
5.1.3 Hardware Interface 硬件接口............................................................................26
5.1.4 Communication Interface 通讯接口..................................................................27
6. Overall Design Constraints 总体设计约束.......................................................................27
6.1 Standards compliance 标准符合性 27
6.2 Hardware Limitations 硬件约束 27
6.3 Technology Limitations 技术限制 27
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