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单词
electrostatic lens
释义
WordReference Random House Unabridged Dictionary of American English © 2024
elec
′
trostat
′
ic lens
′
,
Electronics, Optics
an electron lens that focuses an electron beam by passing it through a series of electrodes kept at different voltages.
1950–55
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更新时间:2025/7/23 13:17:49