行动的输入和输出插口被规定从包含行动的右下角开始，并且按照顺时针的方向进行处理。

Input and output pins on the actions are ordered starting at the lower-right corner of the containing action, and they proceed clockwise around the action to the lower right side.

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相反，活动的参数节点(必须同其规范操作的参数相一致)根据需要被直接引用到输入和输出插口上。

Instead, the parameters of the activity (which must correspond to the parameters of its specification operation) are referenced directly on input and output pins where needed.

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相反，活动的参数节点(必须同其规范操作的参数相一致)根据需要被直接引用到输入和输出插口上。

Instead, the parameters of the activity (which must correspond to the parameters of its specification operation) are referenced directly on input and output pins where needed.

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