You can also implement branching or looping in the flow of control between activities.

您也可以在活动之间的控制流中实现分支或循环。

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You should always examine multiple occurrences of activities, because they can indicate that you did not adequately capture the control flow.

您应当检查活动是否多次出现，因为这种情况意味着您对控制流的捕获还做得不够。

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If the data or control flow in and out of activities is relevant to understand the cause of the modeling error, we use the notation in the upper half of the figure.

如果活动内外的数据或控制流与理解导致建模错误的原因有关，我们将使用此图上半部分中的符号。

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The right actions may require workflow or process orchestration, whether manual or via software engines, to control the flow of work and to trigger the execution of human (or automated activities) at the right time.

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