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单词
lenard tube
释义
WordReference Random House Unabridged Dictionary of American English © 2024
Le
′
nard tube′,
[
Electronics.
]
Electronics
an early cathode-ray tube having at the end opposite the cathode a window of thin glass or metal allowing cathode rays (
Le
′
nard rays′
) to pass out into the atmosphere.
named after P.
Lenard
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更新时间:2025/7/24 19:58:06