The use of column groups provides more accurate estimates of the joint selectivity of multiple predicates.

列组的使用将给多个谓词的联合选择提供更准确的估计。

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And, as the CEO of F-35 builder Lockheed Martin told Congress, that trillion-dollar estimate is based on a big change in how the Pentagon estimates the Joint Strike Fighter's costs.

作为F - 35的生产商，洛克希德。马丁公司告诉国会，一万亿美元的估计是基于五角大楼对联合打击战机费用预测方法的一次大变化。

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In addition, TPC has looked at how the measures would affect households in various income groups and, using Joint Committee on Taxation estimates, how much each plan would cost the Treasury in lost revenue.

FORBES: What The Dueling Senate Bills To Extend Tax Cuts Would Mean For You

The scores cited below are 10-year estimates from the Joint Committee on Taxation provided by the Senate Finance Committee.

FORBES: Fiscal Cliff Tax Deal: What Does It Mean for Small Business?

The costs of all this are far greater than the estimates conjured by the Joint Tax Committee.

WSJ: Review & Outlook: Crony Capitalist Blowout