When we look at the hierarchy, and the differences in process purpose, we begin to understand how to select and match the processes.

当我们看到层次和过程目的区别时，我们开始明白该如何选择并匹配这些过程。

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Process purpose changes with scope.

过程的目的随着范围的变化而变化。

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Process purpose changes with scope.

过程的目的随着范围的变化而变化。

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