Estimating schedule activity costs involves developing an approximation of the costs of theresources needed to complete each schedule activity. Cost estimating includes identifying andconsidering various costing alternatives. For example, in most application areas, additional workduring a design phase is widely held to have the potential for reducing the cost of the executionphase and product operations. The cost estimating process considers whether the expectedsavings can offset the cost of the

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Estimating schedule activity costs involves developing an approximation of the costs of theresources needed to complete each schedule activity. Cost estimating includes identifying andconsidering various costing alternatives. For example, in most application areas, additional workduring a design phase is widely held to have the potential for reducing the cost of the executionphase and product operations. The cost estimating process considers whether the expectedsavings can offset the cost of th

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（ ）estimating is a technique for estimating the duration or cost of an activity ou project using historical data from a similar activity or project.

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Schedule compression shortens the project schedule without changing the project scope,to meet schedule constraints,imposed dates,or other schedule objectives.Schedule compression techniques include crashing and（ ）.A.fast tracking

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（ ）Estimating current project costs by analogy with similar projects。（ ）是以类似的项目进行类比估计当期项目的费用。A.Top-down estimating自上而下估算法B.Parametric model method参数模型法

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Schedule the check of the tires at regular intervals

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