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.
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。
只显示一个层的序列图。
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。
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.
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.
序列图用于指定子系统边界上的类之间的交互。
Sequence diagrams are used to specify the interactions between classes on the borders of these subsystems.
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.
序列图绘制中的条件逻辑。
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.
很象类图，开发者一般认为序列图只对他们有意义。
Much like the class diagram, developers typically think sequence diagrams were meant exclusively for them.
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。
那种情况下，用例常常被细化为一个或者更多的序列图。
When that occurs, use cases are often refined into one or more sequence diagrams.
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.
实例序列图描述了两个实例之间可能发生的单一消息交换。
An instance sequence diagram describes a single possible exchange of messages between two instances.
序列图，在功能验证中有很重要的价值，提供交互的信息。
Sequence diagrams, also of great value in Function Verification, provide the interaction information.
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