line spectrum
英
美
- 线(状)光谱；线(状)谱；(光)谱线
详细释义
Noun:
-
a spectrum in which energy is concentrated at particular wavelengths; produced by excited atoms and ions as they fall back to a lower energy level
双语例句
- A particular spectrum line corresponds to a certain definite light wavelength.
某特定的谱线就代表一个确定光的波长。 - In astronomical situations, the natural line width is seldom directly observed.
在天文学研究中，谱线固有宽度很少能直接观测到。
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