Example behavior diagrams are activity, use case, and sequence diagrams.

行为图的实例是活动图，用例图和序列图。

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In UML 2 there are two basic categories of diagrams: structure diagrams and behavior diagrams.

在UML 2中有二种基本的图范畴：结构图和行为图。

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Behavior diagrams, such as use case and activity diagrams, represent general types of behavior.

行为图，比如用例和活动图，代表普通类型的行为。

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