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单词
electron-ray tube
释义
WordReference Random House Unabridged Dictionary of American English © 2024
e•lec
′
tron-ray tube′
(i lek
′
tron rā′),
USA pronunciation
[
Electronics.
]
Electronics
a 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:2025/12/9 8:21:17