用于执行：流程模型是技术开发人员的有用资产，因为模型像一个如何构建内容的计划，它有助于减少复杂性，并缩短开发周期。
For execution: Process models are useful assets for technical developers, because a model is like a plan for how to build something, which helps reduce complexity and speeds up the development cycle.
某个活动的多次出现，不一定会导致流程执行错误，但是它会影响模型的可读性。
Multiple occurrences of an activity do not necessarily lead to a process execution error, but they can affect the readability of the model.
悬空输出的危害性弱于悬空输入，因为它们通常不会阻止流程模型的正确执行。
Dangling outputs are less severe than dangling inputs because they usually do not prevent a process model from correctly executing.
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