filter factor

单词filter factor

基本解释

un.: 〔光〕滤光系数；滤色镜系数；滤波因数；滤光因数
网络: 过滤因子；过滤系数；过滤因素

英汉解释

• 滤光因数

• 滤波因数

• 滤色镜系数

• 〔光〕滤光系数

例句

• To understand how the optimizer ends up with 0. 0014% as the filter factor, first look at the six elements in the IN list predicate.

  为了了解优化器如何最终以0.0014%作为过滤因子，首先要查看在IN清单谓词上的6个元素。

• For SQL statements with variables, the optimizer uses a default filter factor to determine the best access path at bind time.

  对于带变量的SQL语句，优化器会使用一个默认过滤因子在绑定时确定最佳访问路径。

• Filter factor A multiple that indicates the increase in exposure required when such a filter is used.

  滤色片系数只是用该滤色片所需的额外曝光倍数。

• The Filter factor for each predicate indicates the proportion of data the optimizer estimates will satisfy the predicate.

  每个断言的筛选因子表示优化器估计符合断言的数据的比例。

• The filter factor indicates how selective the predicate is.

  过滤因子表示谓词的选择性有多强。

• The filter factor is a number between 0 and 1 that estimates the proportion of rows in a table for which the predicate is true.

  过滤因子是0到1之间的一个数值，它用来评估表中谓词为真的行所占的比例。

• The query annotation for this predicate shows that the predicate filter factor (FF) is 0. 000014, or 0. 0014%.

  此谓词的查询注释显示谓词过滤因子（FF）是0.000014，或0.

• FF (see number 6 in Figure 5): Filter factor for the predicate.

  FF（见图5中6）：谓词的过滤因子。

• Development of automatic detector for polymer solution filter factor

  聚合物溶液过滤因子自动检测仪的研制