“Swan bands”的概念、定义、翻译、参考文献-科学参考

单词	Swan bands
释义	Swan bands Astronomy Features of the spectrum of the carbon molecule C₂ (diatomic carbon), first investigated by the Scottish scientist William Swan (1818–94). These bands are prominent in carbon stars and cometary spectra. Numerous lines are present throughout the optical and red region of the spectrum, with strong features at 438, 474, and 516.5 nm.
随便看	unit of account unit operation unit root process units unit sample unit set unit square unit-step function unit-stratotype unit stress unit testing unit trust unit vector unity Unity module unity of science UNIVAC univalent univariant assemblage universal active filter universal asynchronous receiver/transmitter universal benefit Universal Character Set universal, concrete universal constant

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