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单词
primary knocked-on atom
释义
primary knocked-on atom
primary knocked-on atom
[
′prī‚mer·ē ¦näkt ‚ȯn ′ad·əm
]
(physics)
An atom in a solid that recoils from a collision with an energetic particle coming from outside the solid, rather than with another knocked-on atom. Abbreviated PKA.
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更新时间:2026/4/20 8:32:03