A narrow region in a spectrum, appearing to the eye as a fine straight black or shining stroke transverse to the length of the spectrum (cf. Fraun…
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| 单词 | θ78942 |
| 释义 | the world > matter > physics > atomic physics > decomposition of light, spectrum > [noun] > spectral line (9) line1831 A narrow region in a spectrum, appearing to the eye as a fine straight black or shining stroke transverse to the length of the spectrum (cf. Fraun… Subcategories:— width of (1) — part of (1) — emitted by substance in furnace (1) — caused by irregularity, spurious (2) — remaining detectable longest (1) — at lower frequency (1) — factor predicting profile (1) |
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