名词中文翻译
中文翻译：真空管
同义词：
['vacuum tube', 'vacuum oscillator']
例句：
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1. The vacuum tube was a revolutionary invention in the field of electronics.
真空管是电子领域的一项革命性发明。
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2. The vacuum tube was used to transmit radio signals over long distances.
真空管被用来在长距离上传输无线电信号。
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3. The vacuum tube was replaced by transistors in the 1950s.
真空管在20世纪50年代被晶体管所取代。