The function preg_grep can also filter a list quickly.

函数preg_grep还可以快速地过滤列表。

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On one hand, having objective measures of a candidate helps to quickly filter a candidate pool.

一方面，客观衡量候选人的标准能够让我们对所有候选人进行快速筛选。

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For instance, a tag cloud can filter a large set of results to allow a human to instantly recognize certain areas of value in the data.

例如，一个标记能够过滤一大部分结果，使人们立即可以识别出某些区域的数据值。

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A protective coating of colloidal silver is painted on the inside and outside of the filter to kill bacteria.

VOA: special.2009.06.22

Ultimately, we need a filter or a lens to talk about then what is ultimately in control.

最终，我们需要一个视窗，一个镜头,来讨论什么是最终的控制者。

普林斯顿公开课 - 人性课程节选

What all of these channels have is what's called a selectivity filter, so this filter filters out the type of ion that's going to be allowed through.

这些离子通道都有的一部分,就是所谓的选择性过滤器，这个过滤器,会滤过允许穿过的离子。

麻省理工公开课 - 化学原理课程节选

If someone who knew how to make a filter had a conversation with someone who knew a lot about cancer and with someone who read the medical literature like a physicist, then maybe you could come up with a cancer treatment.

NEWYORKER: In the Air

After all, how can one prove beyond doubt that a water filter prevented a child from falling sick?

ECONOMIST: Face value

Users can simply select a filter to give a slightly different flair to their still images and movies.

ENGADGET: Olympus Stylus TG-625 Tough adds AF light for tricky shots in rough situations