虽然测试工程师不能估算总的项目成本，但是他们的确可以评估对成本的测试贡献，并且提出测试风险和可行性。
While test engineers cannot estimate total project cost, they can certainly estimate testing contribution to cost, and suggest test risks and feasibility.
这令PM希望架构师在项目开始之前所进行的估算可以成为现实。
This leaves the PM to hope that an estimate produced by the architect before the project started will come true.
在道路项目完成后，Olken让工程师在各条道路上挖取核心样品，以估算使用的材料的数量。
After the road projects were completed, Olken had engineers dig up core samples in each road to estimate the quantity of materials used.
在项目开发过程中的某一特定阶段的成本估算就是造价工程师在现有数据基础上对未来成本的预测。
A cost estimate at a given stage of project development represents a prediction provided by the cost engineer or estimator on the basis of available data.
因而，在工程师估算完成前的相当长时间里，只能用详细估算来作为控制预算，因为详细估算也能充分明确地反映项目的范围。
Consequently, the detailed estimate is often used as the budget estimate since it is sufficient definitive to reflect the project scope and is available long before the engineer's estimate.
因而，在工程师估算完成前的相当长时间里，只能用详细估算来作为控制预算，因为详细估算也能充分明确地反映项目的范围。
Consequently, the detailed estimate is often used as the budget estimate since it is sufficient definitive to reflect the project scope and is available long before the engineer's estimate.
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