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1906年圣诞,美国哈佛大学费森顿用调制的无线电波发送音乐和讲话进行广播试验,在大西洋上可以用矿石收音机听到,广播由此诞生。1906
Christmas 1906, the United States Fei Harvard University of the United States with a modulated radio waves to send music and speech test broadcast in the Atlantic can be heard using ore radio, radio was born. 1906