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Electromagnetic pollution has become the chief physical pollution.
电磁污染已成为当代首屈一指的物理污染。
Electromagnetic pollution has been becoming globally harmful to public society not to be ignored.
电磁污染已经成为一种不容忽视的全球性社会公害。
The application of pectinate filter in the electromagnetic pollution precaution is explained. This filter is usually used in the design of some microwave heating equipment.
研究了梳状滤波器在电磁污染防治中的应用，这种滤波器在一些微波加热设备的设计中是很有用的。
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