（ ）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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（ ）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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Estimate Activity Duration sis the process of estimating the number of work period sto complete indivities with estimated  resources.The tools and technques is not including（ ）.

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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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m, NC 27708Dear Mr. Eno:Enclosed is the report estimating our power consumption for the year as requested by John Brenan, Vice President, on September 4.The report is the result of several meetings with Jamie Anson, Manager of Plant Operations, and her staff and an extensive survey of all our employees. The survey was delayed by the transfer of key staff in Building A. We believe, however, that the report will provide the information you need to furnish us with a cost estimate for the installati

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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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