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50至60年代可算是有线电台广播占统治地位的时代。我国的城市和乡村几乎到处都是高音喇叭。到了70年代,特别是80年代以来,随着无线电收音机、录音机和电视机的普及和发展。高音喇叭已经销声匿迹,似乎有线广播已经永远退出了历史舞台。但是,在国外,特别是在一些发达国家,从酒吧的背景音乐(BGM)到大家喜爱的家庭必需品以及社会生活的各个领域,有线广播再现辉煌,发挥愈来愈重大
From the 1950s to the 1960s the era of cable radio dominance. Almost all of our cities and villages are tweeters. By the 1970s, especially since the 1980s, with the popularity and development of radio radios, voice recorders and television sets. Tweeter has disappeared, it seems that cable broadcasting has always left the stage of history. However, in foreign countries, especially in some developed countries, cable broadcasts have reappeared splendidly and played more and more important from BGM music bars to favorite home necessities and various fields of social life