Empirical estimation of cost functions requires statistical techniques which relate the cost of constructing or operating a facility to a few important characteristics or attributes of the system.

利用基于经验的成本函数估算成本需要一些统计技术，这些技术将建造或运营某设施与系统的一些重要特征或属性联系起来。

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It provides a valuable input for cost estimation, scheduling, and evaluating the progress of the project.

它是成本估算、日程、评估项目进展时会用到的很有价值的输入。

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This includes information such as response time, an SQL statement's count of that transaction, cost estimation, sorting statistics, locking related details, and so on.

这些信息包括响应时间、此事务的sql语句计数、估计的成本、排序统计数据、与锁相关的详细信息等等。

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From there, he worked in one of Puritan's factories with pattern makers and sewers, and he also learned the art of cost estimation.

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He's hired 3, 000 new technical staff and is schooling them in the finer points of procurement, cost estimation and reserve classification.

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Although the Pentagon has hundreds of analysts engaged in cost estimation, it is a rare weapons program that does not end up greatly exceeding expected costs.

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