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单词
brightline spectrum
释义
WordReference Random House Unabridged Dictionary of American English © 2024
bright
′
line spec
′
trum
(brīt
′
līn′),
USA pronunciation
[
Physical Chem.
]
Chemistry
the spectrum of an incandescent substance appearing on a spectrogram as one or more bright lines against a dark background.
bright
+
line
1
1885–90
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更新时间:2025/11/23 2:43:16