真空三极管 [电子] vacuum triode
- 基于真空管技术,三极管提供了使用当前电流打开或关闭一个电路能力。
Built on vacuum tube technology, the triode provided the ability to turn an electrical circuit on or off using current flow. - 在那个时候唯一可靠的真空管就是Western Electric 中继器三极管,而如果需要变阻器时,就用金属丝缠在木卷轴上自己做一个。
In those days the only reliable vacuum tube was the Western Electric repeater triode, and if one needed a variable resistance he wound a lot of wire on a wooden spool. - 与此同时,联邦电报公司设在加利福尼亚帕洛阿尔托(Palo Alto)的实验室资助了研制三极管的开创性工作,这是一种能够在真空管内放大电波信号的装置。
Meanwhile, the company’s laboratory in Palo Alto, California, funded groundbreaking work on the “audion” — a device capable of amplifying electrical signals in a vacuum tube.
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