a dark region in the spectrum of electromagnetic radiation transmitted through a substance, due to absorption in a particular range of…
| 单词 | θ81063 |
| 释义 | the world > matter > light > darkness or absence of light > [noun] > dark region in spectrum of white light (1) absorption band1852 a dark region in the spectrum of electromagnetic radiation transmitted through a substance, due to absorption in a particular range of… |
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