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单词
emission electron microscope
释义
emission electron microscope
emission electron microscope
[
i′mish·ən i¦lek‚trän ′mī·krə‚skōp
]
(electronics)
An electron microscope in which thermionic, photo, secondary, or field electrons emitted from a metal surface are projected on a fluorescent screen, with or without focusing.
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更新时间:2025/5/31 5:10:31