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单词
field-emission microscope
释义
WordReference Random House Unabridged Dictionary of American English © 2024
field
′
-e•mis•sion mi′croscope
(fēld
′
i mish′ən),
USA pronunciation
Optics
a device in which electrons liberated by field emission are accelerated toward a fluorescent screen to form a magnified image of the emitting surface. Cf.
field-ion microscope.
1950–55
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更新时间:2025/7/31 11:25:08