Light filter: Provides basic filtering by adjusting colour levels of each pixels.

Light Filter：通过调整每个像素的色彩层次提供标准滤光片功能。

youdao

Since it is a range predicate and there are no frequency and histogram statistics available, the filter factor is calculated with the basic statistics information HIGH2KEY and LOW2KEY.

由于它是范围谓词，而且没有频度和直方图统计数据可用，过滤因子是用基础统计信息HIGH2KEY和LOW2KEY计算得出的。

youdao

Handled basic household maintenance. - replaced the ac filter, applied pest control spay, replaced fire alarm batteries, etc.

完成了家里一些基本的维修工作。——换了空调过滤网，喷了杀虫药，给火灾报警器换了电池，等等。

youdao