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当今这个科技飞速发展的年代,人们的日常生活已经离不开电。电的应用无所不在,大到工业可控硅设备,高功率广播设备,医疗微波设备:小到电脑、冰箱、洗衣机、日光灯等……使得我们所使用的电网已经是一个充满了各种杂波频率污染的大染缸。
Today’s era of rapid development of science and technology, people’s daily life can not do without electricity. Electric applications are ubiquitous, industrial SCR devices, high-power broadcast equipment, medical microwave equipment: small computers, refrigerators, washing machines, fluorescent lamps ... ... so that we are using the power grid is already full of a variety of clutter frequency Contaminated big dye vat.