Because the area is small, to collect dust filter paper easily blocked filter, can only large dust, filtering the effect not beautiful.

由于收尘面积小，滤纸易堵塞，只能过滤较大的灰尘，过滤效果不佳。

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This paper gives the method to realize the triple correlation matched filter based on the double correlation matched filtering technique.

分析了在二重相关匹配滤波技术的基础上实现三重相关匹配滤波的方法。

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The paper discusses the relation of the bubble pressure and the filtering ratio of filtering medium (filter).

本文论述了冒泡压力和过滤介质（芯）过滤比这两个不同定义概念的关系。

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