This process is repeated with different samples to obtain solutions along with statistical estimates of their optimality gaps.

上述过程可以通过应用不同样本进行反复求解，以获得的最优方案间差异的统计估计值。

youdao

Using the same sample data just discussed above, the following illustrates the difference in cardinality estimates with and without the use of statistical view for the query.

下面使用以上讨论的相同的示例数据，阐释在使用和不使用查询的统计视图的情况下基数估计的差别。

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Statistical agencies typically have very little actual data for the last month of the quarter at the time they release their first estimates of quarterly GDP.

当统计局首次估计季度GDP时，他们几乎没有季度最后一个月的真实数据。

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Furthermore, statistical estimates suggest that as much as 90% of the reason that women have families of a particular size is simply because that is the number of children they want.

ECONOMIST: Population control

In order for his statistical estimates to be valid, he has to assume that a poor couple which decides to have a child needs the same proportionate increase in spending to maintain its living standard as a rich couple.

ECONOMIST: The war over poverty

The county vote is put into statistical models and estimates and projections are made.

CNN: How does CNN make election projections?