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单词
electron beam
释义
electron beam
Encyclopedia
工学
电子注
释
electron beam
电子注
运动的带电粒子-电子的集合体。
工学
〔离子束技术〕
释
electron beam
电子束
以一定能量运动的由电子组成的离子束。
Physics
电磁学
electron beam
电子束
electron beam
电子束
†
,电子注
Astronomy
electron beam
电子束
随便看
mean refraction
mean regression
mean relative error
mean residence time
mean residence time of soil organic matter
mean residual life function
mean residue weight
mean retention time
mean return time
mean right ascension
mean run density
means
means and methods of warfare
mean sea level
mean sea-level
mean sea level transfer
mean sea surface
mean shift
mean sidereal day
mean sidereal second
mean sidereal time
mean sidereal year
means of consumption
means of health supervision
means of national economic management
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