序列图的第二种形态是实例形态。
这些增强使序列图编辑起来更容易。
These enhancements have made sequence diagrams much easier to edit.
归根结底，序列图就是交互图。
为实现开发而创建UM l序列图。
Create a UML sequence diagram for development implementation.
序列图用于为使用方案的逻辑建模。
Sequence diagrams are used to model the logic of usage scenarios.
序列图通常用于记录这些交互。
Sequence diagrams are often used to document these interactions.
用子系统简化序列图(可选)。
对于序列图，有消息的概念。
As with sequence diagrams, there is the concept of messages.
然后为每个系统创建对象模型和序列图。
Then an object model and sequence diagrams were created for each system.
图3的序列图演示了异步通信模型。
The sequence diagram in Figure 3 illustrates the asynchronous communication model.
用例常常被细化为一个或者更多的序列图。
Use cases are often refined into one or more sequence diagrams.
已存在的序列图可以作为测试用例再使用。
显示白盒场景的序列图。
改进的序列图测试用例。
类及序列图问题的实质。
然而，有另一个方法在序列图之间传递消息。
However, there is another way to pass information between sequence diagrams.
此外，返回消息是序列图的一个可选择部分。
Again, the return messages are an optional part of a sequence diagram.
您可以发现，序列图可以很快变得相当复杂。
As you can see, sequence diagrams get complicated fairly quickly.
图12的主要工作区显示了一个序列图的例子。
The main workspace in Figure 12 shows an example of a sequence diagram.
方法逻辑序列图在记录方法逻辑方面非常优秀。
Sequence diagrams are excellent for documenting method logic.
为了了解序列图有什么帮助，我们通过案例学习。
To see how a sequence map can be helpful, let's go through a case study.
常规序列图可以为包含多个方案的整个用例建模。
A generic sequence diagram can model an entire use case consisting of multiple scenarios.
行为图的实例是活动图，用例图和序列图。
Example behavior diagrams are activity, use case, and sequence diagrams.
序列图是应用最为广泛的UML动态建模方法。
The sequence diagram is the most popular UML artifact for dynamic modeling.
我们将在示例贷款处理应用程序的帮助下学习序列图。
We'll learn about sequence diagramming with the help of an example loan processing application.
序列图显示了在执行特定任务时类间的动态方法标记。
The sequence diagram shows the dynamic method invocations among classes for performing certain tasks.
序列图提供了目标之间按照序列顺序生成交互的信息。
Sequence diagrams provide information on interactions between objects in the sequential order that the interactions occur.
下面段落将会介绍用于序列图的比较高阶的符号元件。
The following section will cover more advanced notation elements that can be used in a sequence diagram.
保存序列图。
起初，UCD小组完成的序列图与对象图有关。
The UCD team initially did the sequence diagrams with respect to the object diagrams.
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