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particle beam
释义
particle beam
n.
(名词)
A beam of atoms or subatomic particles that have been accelerated by a particle accelerating device, aimed by magnets, and focused by a lens.
粒子束流:一束由粒子加速器加速过的原子或亚原子粒子,用磁石定方向,用透镜集中
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umbilical
umbilical cord
umbilical hernia
umbilicals
umbilicate
umbilicated
umbilici
umbilicus
umbilicuses
umbo
umbonate
umbonated
umbones
umbones
umbos
umbra
umbra
umbrae
umbrage
umbraged
umbrageous
umbrages
umbraging
umbras
umbrella
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