请输入您要查询的英文单词:

 

单词 electron tube
释义

WordReference Random House Unabridged Dictionary of American English © 2024
electron tube′, 
  1. Electronics, Electricityan electronic device that consists, typically, of a sealed glass bulb containing two or more electrodes: used to generate, amplify, and rectify electric oscillations and alternating currents.Also called electronic tube. Cf. gas tube, vacuum tube. 
  • 1920–25

Collins Concise English Dictionary © HarperCollins Publishers::
electron tube n
  1. an electrical device, such as a valve, in which a flow of electrons between electrodes takes place
随便看

 

英语词典包含188688条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/11/10 19:06:55