These radio buttons are active only when you choose the Call Out filter option and set the Circle radio button of the Selection Options on.

只有当你出自过滤器选项选择呼叫而且支使选择选项的圆周收音机钮扣对付的时候，这些收音机钮扣是活跃的。

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The internal and external thread definitions for the Circle option and Call Out filter option are defined by the radio buttons under the Selection Options.

内部和外部的线程定义的选项，并圈出呼叫过滤器选项是指由单选按钮下选择选项。

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If the Parameters and the Call Out filter toggles are switched OFF in the Thread Milling Main dialog, only the Feature radio button of the Selection options is active.

如果叁数和呼叫出自过滤器拨动在线磨主要部份会话中被切断，只有特征选择选项的收音机钮扣是活跃的。

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And actually, a question that might come up, I just explained, the sodium channel, you might say, well, how do potassium channels work then, because I can understand how you can filter something big out, but how do you filter out something small.

实际上，可能大家会问一个问题，我刚解释过，钠离子通道，你可以说，好吧，那么钾离子通道该如何起作用呢，因为我可以理解你是如何把大东西过滤掉的，但是你如何把小东西过滤掉呢？

麻省理工公开课 - 化学原理课程节选

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

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This is possible using algorithms that filter out interference caused by external electrical activity.

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Specifically, how does a user filter out the important information (the signal) from the noise on Twitter?

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