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.

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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.

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它包括了描述用例模型中所确定的功能需求的逻辑实现的类和序列图。

It consists of class and sequence diagrams that describe the logical implementation of the functional requirements that you identified in the use case model.

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