名词
中文翻译：真空管整流器
同义词：
['vacuum tube amplifier', 'vacuum tube oscillator', 'vacuum tube mixer']
例句：
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1. Thevacuum tube amplifier is used to amplify audio signals.
真空管放大器用于放大音频信号。
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2. The vacuum tube oscillator generates microwaves for radar systems.
真空管振荡器为雷达系统生成微波。
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3.The vacuum tube mixer is used in radio broadcasting to combine different frequencies.
真空管混频器在无线电广播中用于合并不同频率。