As was done with activities in the business Process, business Use Cases can also be identified as being kernel, optional, or alternative within the business model.
如对业务流程中活动所做的处理一样，在业务模型中，也可以将业务用例确定为的核心的、可选的，或选择性的。
Are all business entities referred to in use cases in the domain model?
所有涉及的业务实体是否都存在于域模型的用例中？
Don't spend too much time getting the model right for unstable use cases; this functionality may change anyway.
不要为取得不稳定用例的模型花太多时间；这个功能可能根本上不需要改变。
The use case model allows testers to visually identify their test cases, especially when the process includes a use case diagram.
用例模式允许测试人员从视觉上识别他们地测试用例，尤其是当这个过程包括一个用例图时。
The model consists of a small number of business use cases and business actors for a catering business.
这个模型是由少量业务用例和用后来提供业务的业务角色构成的。
Sometimes you might want this behavior, but in most cases it is unconsciously introduced into the model.
有时您可能需要此行为，但在大多数情况下，此问题是在不经意间引入模型中的。
Architects often design a solution that is closely aligned to the structure of the requirements, which in many cases takes the shape of a use case model.
架构师通常设计与所需的结构紧密一致的解决方案，而这在很多情况下采用的是用例模型的形式。
The static view at this level refines the class model to capture the objects witnessed in the business process level use cases.
这个层次的静态视图对类模型做了改进，以捕获在业务处理层次使用案例中出现的对象。
I also force rippling changes whenever I change the behavior of my models, because I must change the model object and the test cases that surround them.
一旦更改模型的行为，就不得不进行连锁更改，因为必须要更改模型对象和围绕这些模型的测试用例。
In these cases, the EJB lifecycle model makes plenty of sense.
在这些情况下，EJB生命周期模型还是非常有意义的。
From the recovered abstract structure of the legacy system (the Analysis Model associated to the system Use Cases), we must now find the components of the information system that implement it.
在所恢复的遗留系统的抽象结构中(与系统用例相关联的分析模型)，我们现在必须找到实现它的信息系统的组件。
In both cases the service model and entity models, where available, are analyzed.
在这两种情况下，如果可用，将对服务模型和实体模型进行分析。
You also create a design model further refining the use cases with collaborations and UML classes and establish traceability back to the use cases.
您还创建一个设计模型，进一步利用合作精选和UM l类来创建一个设计模型，并建立追溯到用例的追溯性。
In those cases, the model is bound directly to the programming language, which inhibits data exchange.
在这些情况中，模型直接与编程语言绑定，这阻止了数据交换功能。
The cursor model takes into account the cases of asymmetry and large result sets.
游标模型考虑了不对称和大型结果集的情况。
The resulting System Use Case model is shown in Figure 13, and includes all the use cases identified.
结果产生的系统用例模型如图13所示，并且包括已确定的所有用例。
The downside is that in some cases data is duplicated and the query model arguably is made more complex.
其缺点是在某些情况下，数据要冗余，查询模型也自然更复杂一些。
BPM is the technique used to visually model a business process through a sequence of activities, use cases, and decision points.
BPM是一种通过一系列活动、用例和决策点对业务流程进行可视建模的技术。
The researchers developed a model that described two extreme cases.
这些研究人员设计了一个用以描述两种极端情况的模型。
As the series continues, I'll update, tweak, and in some cases outright replace this framework, but the basic model of loading code to an SPE will generally serve.
随着本系列文章的继续，我们将不断更新、调整这个框架，在某些情况中甚至会彻底替换这个框架，但是将代码加载到SPE上的基本模型依然会起作用。
The use case model is static; it doesn't show the sequence in which the use cases are performed.
用例模型是静态的，并不显示用例执行的顺序。
Several flows through the component model view shown in Figure 3 represent key use cases of the solution. The flows include.
在图3所示的组件模型视图中有几个流程，它们代表解决方案的关键用例。
Rails comes with a powerful framework for automating unit tests (for the model), functional test cases (for the controllers), and integration tests (end to end across multiple controllers).
Rails提供了强大的测试框架，包括自动化单元测试(用于模型)、功能测试用例(用于控制器)和集成测试(跨多个控制器的端到端集成)。
For Lesson 2, you create a UML project and an analysis model of use cases from those requirements and establish traceability back to the requirements.
对于课程2，您创建一个UML项目和一个来自那些请求的案例的分析模型，并建立追溯到请求的追溯性。
This important information is needed to drive the design of your system, so don't forget to model it in your use cases.
这些重要的信息对于驱动系统的设计来说很有必要，因此不要忘记在用例中对它们建模。
Figure 17 shows how you can describe User goals in the model, and tie the system's Use Cases to these goals.
图17中显示了您如何描述模型中的用户目标，并且将系统的用例绑定到这些目标上。
As such, the model can be extended to include use cases for all aspects of the system operation.
因此，可以对该模型进行扩展，使其包括系统操作所有方面的用例。
In other cases, a spherical model is used, and the primary distance calculation used is the great-circle distance (see Resources).
在其他情况下使用球面模型，所使用的主要距离计算为大圆弧长(参见参考资料)。
Early in the project a use case model is made, containing a list of all actors (users or external systems) and use cases in the system, their names, and a brief description.
在项目的早期计划阶段，完成一个用例模型，它包含了所有角色的列表(用户或者外部系统)，以及系统中用例，它们的名字，以及一个简单的介绍。
The key caps may be printed differently, and the keyboard driver may encode a few more special cases, but the model is the same: Press a key to type a specific character.
大写键可以直接打印，键盘驱动程序可以对很多更为特殊的情况进行编码，但是其模型是相同的：按下一个键就代表输入某个特定的字符。
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