成本估算，预定的开始日期，采取控制的工作分解结构层次上的职责分配。
Cost estimates, scheduled start dates, and responsibility assignments to the level of the WBS at which control will be exercised.
成本估算，预定的开始日期，采取控制的工作分解结构层次上的职责分配。
Cost estimates, scheduled start dates, and responsibility assignments to the level of the WBS at which control will be exercised.
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