名词
中文翻译：晶体三极管
同义词：
['crystal triode', 'crystaltriode transistor']
例句：
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1. The crystal triode amplifier is used in radio receivers toamplify weak signals.
晶体三极管放大器用于收音机中放大微弱信号。
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2. The crystaltriode was the first electronic device inventedby Edison.
晶体三极管是爱迪生发明的第一种电子装置。
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3. Inthe early days of television, crystal triodes were used as the primary amplifiers for transmitting signals.
在电视初期，晶体三极管被用作传输信号的主要放大器。