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永磁聚焦
释义
永磁聚焦
Encyclopedia
工学
电子注聚焦
释
permanent magnet focusing
永磁聚焦
利用永磁铁产生的磁场聚焦电子注的方式。
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Arctic fox
arctic fox
Arctic geology
Arctic National Park
Arctic Ocean
Arctic Oscillation
Arctic ozone hole
Arctic pole
arctic route
Arctic Village National Forest Park
Arctic zone
arc-transitive graph
arc triangle
arc-trigonometric function
Arcturus
Arcturus group
Arcuate uterus
arculus
arcus
arcus function
arc welding
arc welding robot
arcwise connected
arcwise connected component
arcwise connected continuum
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