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单词
characteristic x-ray
释义
WordReference Random House Unabridged Dictionary of American English © 2024
char
′
acteris
′
tic x
′
-ray,
[
Physics.
]
Physics
an x-ray that is emitted from an atom when an electron is displaced from an inner shell.
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更新时间:2025/7/23 16:37:42