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radio broadcaster 無線電廣播員;無線電廣播機。

radio broadcasting

What most americans have known as soap opera for more than half a century began as one of the hundreds of new programming forms tried out by commercial radio broadcasters in the late 1920s and early 1930s , as both local stations and the newly - formed networks attempted to marry the needs of advertisers with the listening interests of consumers 半個多世紀以來大部分美國人所熟悉的肥皂劇最早出現于20世紀20年代末至30年代初,當時,由于地方電臺和新建立的廣播網絡試圖將廣告商的需求與消費者對廣播節目的要求緊密結合起來,商業廣播公司嘗試了數百種新的節目形式,而肥皂劇就是其中的一種。

Commercial radio broadcasters have used long waves for nearly 60 years . 將近60年以來,民用的無線電廣播一直用的是長波。