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单词 electron-ray tube
释义

WordReference Random House Unabridged Dictionary of American English © 2024
e•lectron-ray tube′  (i lektron rā′),USA pronunciation [Electronics.]
  1. Electronicsa small cathode-ray tube having a fluorescent screen on which the pattern varies with the voltage applied to the grid: used chiefly in radio receivers to indicate accuracy of tuning. Also called electric eye. 

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更新时间:2025/7/23 11:45:39