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单词
m-line
释义
WordReference Random House Unabridged Dictionary of American English © 2024
M-line
(em
′
līn′),
USA pronunciation
n.
[
Physics.
]
Physics
one of a series of lines (
M-series
) in the x-ray spectrum of an atom corresponding to radiation (
M-radiation
)caused by the transition of an electron to the M-shell.
1920–25
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tie in
tie-in
tie line
tiemannite
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tientsin
tie-off rail
tiepin
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更新时间:2025/7/25 17:51:22