Whereas use cases capture a generalized view of a user and a task, scenarios describe a specific instance of a use case in terms of a concrete workflow.
尽管用例获取用户和任务的一般化观点，但是依据具体的工作流，情境描述具体的用例实例。
In this case, there is only one parameter-id-and it specifies the Twitter name of the user whose timeline you want to view.
在本例中，只有一个参数—id—而且它指定了您想要查看其时间表的那个用户的twitter名。
In the case of a postback (the user returns to a page she has previously accessed), the view corresponding to the page already exists, so it needs only to be restored.
在后视图(postback)的情况中(用户返回之前访问过的页面)，包含页面的视图早已经存在了，因此只需要进行恢复就可以了。
This benefits the Rational Rose user by establishing a real-time window to modify use case attributes, traceability and view revision history from Rose.
通过建立一个实时窗口，有利于RationalRose用户修改用例属性、可追踪性，查看修订历史。
Generally, technical people who understand UML and use-case modeling have trouble looking at a use case from the user point of view.
通常情况下，理解UML和用例建模的技术人员在从用户的角度看用例时都会有麻烦。
The User Interface Screens class diagram represents the static view of the use case participants in terms of the screens that make up the User interaction.
用户接口屏幕（User InterfaceScreens）类图表示了有关构建用户交互窗口的用例参与者的静态视图。
User flow chart, use-case diagram, total model management view, physical configurement view and E-R diagram of database model are set up.
系统总体模型管理视图、各子系统的物理配置视图；数据库模型E-R图。
User flow chart, use-case diagram, total model management view, physical configurement view and E-R diagram of database model are set up.
系统总体模型管理视图、各子系统的物理配置视图；数据库模型E-R图。
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