| 单词 | 光谱线 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔hyperfine structure〕The splitting of a spectral line into two or more components as a result of the spin or magnetic moment of the atomic nucleus.超精细结构：由于原子核的旋转或磁力矩的结果光谱线分裂成两个或多个组元美国传统〔microdensitometer〕An extremely sensitive densitometer used to detect on a film or photographic plate spectrum lines too faint to be seen by the human eye.显微光密度计；测微密度计：一种极其敏感的密度计，用以测定电影或摄影感光版中人眼看不到的微弱光谱线美国传统〔ray〕A graphic or other representation of such a line.光谱线：表示这种光线的图案或其它方法美国传统〔shift〕Physics A change in wavelength, causing a movement of a spectral band or line.【物理学】 频变：波长的变化，引起光谱带或光谱线的运动美国传统〔spectral line〕An isolated bright or dark line in a spectrum produced by emission or absorption of light of a single wavelength.光谱线：光谱中因吸收或放射同一波长的光而产生的独立的亮线或暗线美国传统 |
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