在1869年12月，国会任命了一个委员会来为新的国务院大楼选择地点、制订计划、估算成本。
In December of 1869, Congress appointed a commission to select a site and prepare plans and cost estimates for a new State Department Building.
第二部分展示了该查询的估算成本。
估算成本是优化器用来比较查询计划的成本单元。
The estimated costs are cost units that the optimizer uses to compare query plans.
估算成本对我来说并不太难。
下列哪一项估算成本的技术是最不准确的?。
Which of the following techniques for cost estimating is considered the least accurate?
维护计划估算成本。
显示计划估算成本。
为客户估算成本。
优化器将选择该查询计划，因为其执行的估算成本是所有被估计划中最低的。
The optimizer chose this query plan because the estimated cost for its execution was the lowest among all the evaluated plans.
与具有较低估算成本的运行相比，具有较高估算成本的查询的运行时间通常更长一些。
A query with higher estimated costs generally takes longer to run than one with lower estimated costs.
约翰逊还提供了估算成本的成本明细表，实际上需要20年的维护成本，现值折旧率为5%。
Johnson also offers a cost breakdown of how that cost works. And yes, it's actually a 20-year cost, discounted back to present value using a 5% discount rate.
如果将其值设置为0，那么当存在合适的索引时，优化器就选择索引扫描而非表扫描，甚至不考虑估算成本。
If the value is set to 0, then the optimizer chooses index scans over table scans if appropriate indexes exist, without even considering the estimated costs.
文章介绍了电子计算机在编制气源的开发方案、编制供气计划、估算成本及气价等方面的计算工作。
This article deals with the calculation by computers in the way of making out the natural gas resources exploiting plan, ges distribution plan, capital and gas price evaluation, etc.
我们将会在下面介绍到的用例点方法，是一种十分有前途的估算成本方法，能够很好的配合用例方法以描述需求。
The use case points method, which we 'l sketch below, is a promising estimation method that fits in nicely with the use case approach to describing requirements.
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。
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.
这项工程需要作详细的成本估算。
你最好作一些成本估算。
为了帮助量化不良饮食的成本，我最近试着以一种最著名的食物——汉堡，来估算这种影响。
To help quantify the costs of a poor diet, I recently tried to estimate this impact in terms of a most famous food, the burger.
他正在做成本估算。
剩余收入是中心扣除名义估算利息成本后的利润的度量。
Residual income is a measure of the center's profits after deducting a notional imputed interest cost.
这种隔阂常常显露出的一个区域是专用的资源和估算的成本之间的差异。
One area where this gap is often revealed is in a discrepancy between dedicated resources and estimated costs.
为什么我们需要估算故事点成本？
它提供了与WBS各个元素相关的细节信息，包括：应完成的工作，活动，里程碑，成本估算，资源需求和合同信息。
It provides detailed information about the work to be done, activities, and milestones, cost estimates, resources required, and contract information for each element of the WBS.
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。
It provides a valuable input for cost estimation, scheduling, and evaluating the progress of the project.
测试人员可以估算对成本的测试贡献，甚至有时候可以有助于可行性问题。
The tester can estimate the testing contribution to cost and even sometimes assist with feasibility issues.
此外，它还提供估算的查询成本，并预计查询结果。
In addition it provides the estimated costs of the query and estimates the query results.
对解决方案的粗略成本估算。
对解决方案的粗略成本估算。
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