英语词汇index of estimate怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

短语

1
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。
2
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。
3
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。

单词	index of estimate
释义	index of estimate 简明释义估算指标网络释义 1 ?估算指标估算指标短语 1 estimate index of highway project 公路工程估算指标双语例句 1 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。 2 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。 3 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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