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.
提供一个能让团队提出更好的估算的讨论框架。
Provide a framework for the discussions the team have in coming up with better estimates.
这些碳排放是通过是对消费者行为进行统计假设来估算的。
These are estimated by making statistical assumptions about consumer behaviour.
现场支持人员单击这个任务，输入估算的费用和位置，见图7。
Field support clicks on the task and enters values for the estimated cost and the location as shown in Figure 7.
那么为什么马科斯和卡巴约估算的费用比威尔逊的高出这么多呢？
例如，人们实际食用的肝脏量只有他们估算的三分之一。
For example, they overestimated their consumption of liver by 200%.
这些估算的平均值表明，到2085年，全球人口将超过100亿。
The average of these estimates suggests that the global population will cross 10 billion by 2085.
对量化的可能性的更改构成了更改风险优先级和影响估算的基础。
Changes in the quantitative probabilities serve as the basis for changing the prioritization of risks and the impact estimates.
当前的卫生账户系统为国家提供了一套产生卫生支出估算的一致方法。
The existing system of health accounts gives countries a set of consistent methods for producing health expenditure estimates.
工具包的第一部分说明了一些能帮助团队进行故事点估算的通用工具。
The first section of the toolkit explains some general tools that can help the team when using story points to estimate. These consist of
如果你觉得这增加了估算的准确性，那就在更多的迭代中重复这一过程。
Repeat the process for a couple more iterations if you feel this will increase the accuracy of the estimate.
假设估算的任务持续时间是3个月，并且估计的方差是1 个月。
Suppose the estimated duration of a task is 3 months, and the variance of the estimate is 1 month.
这些都是估算的流量，不是绝对准确的数字，但仍然给我们一个可供参考的框架。
These are traffic estimates, not absolute Numbers, but it should still give you a decent frame of reference.
天文学家发现“X射线估算的质量”仅有“引力透镜”方法估算的质量的十分之一。
The astronomers found an "X-ray mass" only a tenth of the mass found using the gravitational lens method.
产科并发症的风险是在2006年对28393名妇女开展的研究的基础上估算的。
The risk of obstetric complications was estimated based on a 2006 study of 28 393 women.
风险的大小与估算的不确定性成正比。涉众希望尽早知道在规定的时间内项目可以取得多少价值。
Risk is directly proportional to uncertainty in estimates, and stakeholders typically want to know sooner rather than later what value the project can deliver in the stipulated time.
至今我仍未听到任何有关此错误估算的合理解释，所以我向Willetts寻求帮助。
But I still haven't heard a good explanation for the miscalculation, so I ask Willetts to explain.
通过人口监测系统估算的儿童死亡率比通过常规例行调查所确定的国家估算数据约低了30%左右。
Child mortality rates estimated with the DSS were approximately 30% lower than those from national estimates as determined by routine surveys.
因此，选择性估算的准确性显然基于您运行UPDATESTATISTICS的频率。
So it is obvious that the accuracy of selectivity estimation depends upon how often you run UPDATE STATISTICS.
如果它的成本是假定你理性估算的两倍，要花你估算时间的三倍时间，你愿意继续做下去吗？
Are you willing to proceed if it costs twice as much and takes three times as long as your presumably reasonable estimates suggest?
你要评估那些剩余的工作，看看项目是否可以按照初始计划中估算的工时、成本以及期限完成。
You'll evaluate the remaining work to see if the project will be completed within the original effort, cost, and duration plans.
已故学者斯坦伯格（Dmitri Steinberg）提出他估算的上限是1330亿卢布。
The late Dmitri Steinberg put his own upper limit at 133 billion rubles.
海岸警卫队表示：“估计每天以5000桶（21万加仑）的油量渗出海面，但难以断定估算的准确性。
The coastguard says that oil is being added at a rate of 5, 000 barrels (210, 000 gallons) per day, an estimate which is hard to assess.
步骤4 -分解那些太大以致于无法给出有意义的估算的条目(分解过大的项目以给出有意义的估算)。
Step 4 -break down the items that are too big to provide a meaningful estimate.
因此我们把这些条目分解以更好的理清依赖关系、理解任务或是把条目分解到我们能提供某种估算的程度。
So we break these items down to clarify dependencies, understand the task better or otherwise bring the item down to a point where we can provide some sort of estimate.
此外，我们还列举了一个例子来详细说明如何收集片段实绩信息，以了解实绩基数与优化器所估算的基数之间的差别。
In addition, we include a detailed example of how you can gather section actual information to see real cardinality vs. the cardinality estimated by the optimizer.
这项估算的依据是用地震技术测量记录到的第一批地震波，这种方法在地震超过8.5级时会造成估算不足。
This estimation relied on seismological techniques measuring the first seismic waves recorded, a method that lends itself to underestimation when a quake exceeds a magnitude of 8.5.
在这项报告发表前，他们邀请了报告中涉及的所有公司提供完整的数据，然后将估算的比值提交给这些公司。
The report says Greenpeace asked all the companies studied to provide complete data and then submitted scores to the companies for comment before the report was published.
在这项报告发表前，他们邀请了报告中涉及的所有公司提供完整的数据，然后将估算的比值提交给这些公司。
The report says Greenpeace asked all the companies studied to provide complete data and then submitted scores to the companies for comment before the report was published.
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