The idea was to get an index number to help estimate the difficulty of implementing processing tasks (such as creating an XSLT transform) for a vocabulary and the typical USES for the vocabulary.

基本的想法是：用一个序数字，来评估针对某个词汇表及其典型应用实现处理任务(如创建xslt转换)的难度。

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The number of unique entries in an index, which can be used to estimate the number of rows that an equality filter returns.

索引中的惟一项数目，可用于估算等式筛选器所返回的行数。

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With the new index created, and statistics collected on it, the optimizer corrects the cardinality estimate of the query access plan.

然后优化器会使用新创建的索引和在其上收集的统计信息来更正查询访问计划的基数估计值。

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The Economist's Big Mac index offers a crude estimate of how far exchange rates are from PPP.

ECONOMIST: Attacks on China��s cheap currency are overdone

This database provides returns of all mutual funds, including those closed and merged, and will lead to a more accurate estimate of the all index fund multiplier benefit.

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The day started out with the announcement that Bank of America would be laying off 16, 000 workers which helped sink the market, but better than expected jobless claims and a Philly Fed index that came in ahead of the consensus estimate, along with a solid IPO pop for real estate research site Trulia, aided the recovery in risk assets.

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