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收音机的使用早已非常普遍,现在又有了电视广播,大家对无线电的兴趣日渐浓厚.但是,在大城市里,收音机和电视机很容易受到各种电器设备的干扰.当你正在收听重要新闻或者欣赏喜爱的音乐节目时,可能收音机中忽然有了沙沙不停的声音,使你无法听清;当你正开了电视机观看一场精彩的比赛时,可能银幕上忽然出现了斑点或怪象,使景象模糊不清.无线电爱好者自然要问这些干扰的来源是什么?怎样去寻查?
The use of radios has long been widespread, and now there is television broadcasting, and there is a growing interest in radio, but in big cities radio and television are easily interfered with with all kinds of electrical equipment.When you are listening to important news or When you enjoy your favorite music program, you may suddenly have a rustle of noise in the radio that you can not hear. When you turn on your television and watch a wonderful game, you may suddenly see a spot or strange screen on the screen , So that the picture blurred.Radio fans naturally want to ask the source of these interference is what? How to search?