The total float time is one of the important time parameters for a working task, and also is the basis for ascertaining critical work and critical paths in network planning.
工作的总时差是工作的最主要时间参数之一，是网络图中关键工作和关键线路的判别依据。
In the practical engineering processes, the amount of resources is strictly limited, so in the actual engineering, the traditional CPM can not give the correct total float and critical path.
在实际工程中工序的资源量是受到严格限制的，传统的CPM法不能给出正确的工序总时差和关键路线。
In the practical engineering processes, the amount of resources is strictly limited, so in the actual engineering, the traditional CPM can not give the correct total float and critical path.
在实际工程中工序的资源量是受到严格限制的，传统的CPM法不能给出正确的工序总时差和关键路线。
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