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单词
electron-gun density multiplication
释义
electron-gun density multiplication
electron-gun density multiplication
[
i′lek‚trän ‚gən ′den·səd·ē ‚məl·tə·plə′kā·shən
]
(electronics)
Ratio of the average current density at any specified aperture through which the electron stream passes to the average current density at the cathode surface.
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更新时间:2025/11/2 3:37:19