What is the domain of all variables participating in a use case?
参与一个用例的所有变量的范围是什么？
JSP calls - the calls to JSP (s) in a use case are shown in the sequence diagrams.
JSP调用——在用例中对JSP文件的调用也会显示在序列图中。
To identify the classes that perform the various flows of events in a use case.
找出用例中的执行流程、事件的各个类。
This distinction is important because each step in a use case scenario must be attributed to an actor.
这个区别很重要，因为用例场景中的每个步骤都必须归因于操作者。
Querying on suspect links answers our last question, which tests are affected by a change in a use case?
在可疑链接上查询又回答了我们最后一个问题-哪些测试会因用例中的变化而受到影响？
These points should be based on the personas involved in a use case and their contexts of use (see Figure 3).
这些点应该基于用例所涉及的角色和使用的上下文(参见图3)。
Notice that the Exporter is in a use relationship with the Exportable interface, not with the concrete implementations.
注意到Exporter与Exportable接口而非具体实现有使用关系。
Once use cases are being identified, the set of activities in a use case can be documented as major steps in a use case.
标识了用例后，用例中的活动集可以作为用例中的主要步骤进行记录。
For example, in a use-case diagram, you can link imported requirements to use cases as a way of providing additional context.
又例如，在用例图中，您可以按照提供附加的内容的方式，来链接导入的需求到用例。
The participants in a use case are not physical users, they are the roles that a physical user might have with respect to a system.
用例中的参加者不是自然用户，他们是可能与系统相关的自然用户的角色。
Use case purists might say that even protocol is an implementation detail that doesn't belong in a use case, and they'd be correct.
用例纯粹主义者甚至可能说协议不属于用例的实现细节，他们是对的。
Because shout is a static method that takes in a String as the first parameter, all Strings wrapped in a use block get a shout method.
由于shout是一个接受String作为第一个参数的静态方法，因此所有封装到use块中的String都获得了一个shout方法。
Applying these principles results in a use case structure that is also layered, in the same way as the process model, as shown in Figure 2.
应用这些原则，会得到与流程模型相似的分层化用例结构，如图2中所示。
The number of steps in a use case flow, which describes the interaction between an actor and the system, can also vary widely both across and within scenarios.
在一个用例流程里的步骤的数量，描述了角色与系统之间的关系，也能够发生很大的改变。
The proper level of information in a use case is that which is needed to successfully build the application; this will vary according to the circumstances.
用例中信息正确的水平是成功建立应用程序的必要条件。它根据环境不同而不同。
These conditions represent the failure modes of the program — they are implementation related and have nothing to do with the problem domain, so they don't belong in a use-case analysis.
这些条件表示程序的失败方式——它们与实现相关，但与问题领域无关，因此它们不属于用例分析。
Figure 4 shows how we worked actors into our business model in Rose — specifically, in a use-case diagram associated with customer service that's an excerpt from our business use-case model.
图4显示了我们如何在Rose中将角色容入我们的业务模型当中—尤其是，在一个与客户服务相关的用例图中，这个用例图摘自我们的业务用例模型。
First, the weapons should be intended for use only in retaliation after a nuclear attack. Second, the possession of the weapons must be a temporary expedient.
首先，这些武器应当只在遭受核袭击后反击时才使用。其次，这些武器的拥有必须是一种临时的应急手段。
I intend to use these terms in a deliberately nonspecific and all-embracing way.
我意欲含糊笼统地使用这些词汇。
I use sunscreen whenever there is even a remote possibility that I will be in the sun.
我无论什么时候都用防晒霜，哪怕是有一点点晒到太阳的可能。
Ideally you should keep a tooth brush in your pocket and use it immediately after you have finished eating.
理想情况下，你应该在口袋里放一把牙刷，吃完后立即使用。
They were used to outline figures to show boundaries just like you might use solid lines in a pencil drawing.
它们被用来勾勒图形以显示边界，就像你在铅笔画中使用实线一样。
I'm in an English lecture, so use a lot of drama in my classes such as role-plays.
我在上英语课，所以我在课堂上经常使用戏剧，比如角色扮演。
Solving environmental pollution depends in large measure on whether we can use clean energy in a reasonable way.
解决环境污染问题很大程度上取决于我们是否能合理地使用清洁能源。
Archaeological study of wood charcoal found in hearths dating to the various episodes of occupation indicated that the species use changed in a patterned way.
考古研究发现，在壁炉中发现的木炭可以追溯到不同的时期，这表明物种的用途发生了模式上的变化。
What is the use of a book about interior design without a plenitude of pictures in colour?
如果没有大量的彩色图片，一本有关室内设计的书还有什么用呢？
They have to have a basic understanding of computers in order to use the advanced technology.
为了利用这一先进技术他们必须对计算机有基本的了解。
His work involved helping hyperactive children to use their energy in a constructive way.
他的工作包括帮助患有多动症的儿童建设性地利用他们的精力。
Worst of all, for a playwright specializing in characters who use the vernacular, he has a tin ear for dialogue.
最糟的是，作为一个专门刻画使用方言人物的剧作家，他在对话方面没有鉴赏力。
Their eyesight can be corrected in just a few minutes by the use of a laser.
他们的视力用激光只要几分钟就可矫正。
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