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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在您开发一个业务流程客户端程序时，您经常需要在一个流程实例内，通过某些业务数据标准来查询流程实例、活动和任务。

When you develop a business process client program, you often need to query process instances, activities, and tasks within a certain process instance by certain business data criteria.

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跳过活动实例。

Skip the activity instance.

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