Ambiguity at the initiating and defining phase of project management often spells doom for even well executed projects.

歧义在发起，并确定第一期工程项目的管理往往符咒厄运，即使以及执行的项目。

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In addition, since management of a project is a finite effort, the Initiating Process Group starts these cycles and the Closing Process Group ends them.

此外，因为一个项目的管理是一种有限的努力，所以启动过程组是这些循环的开始，而收尾过程组是其结束。

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