“line spectrum”的概念、定义、翻译、参考文献-科学参考

单词	line spectrum
释义	line spectrum [`līn ´spek·trǝm] ^SPECTROSCOPY 1. A spectrum of radiation in which the quantity being studied, such as frequency or energy, takes on discrete values. 2. Conventionally, the spectra of atoms, ions, and certain molecules in the gaseous phase at low pressures; distinguished from band spectra of molecules, which consist of a pattern of closely spaced spectral lines which could not be resolved by early spectroscopes.
随便看	constant-height surface constant instruction constant-k filter constant-k lens constant-k network constant-level balloon constant-level chart constant-level surface constant-load balance constant-load support constant-luminance transmission constant of aberration constant of gravitation constant of integration constant of motion constant of the cone constant-potential accelerator constant-potential electrolysis constant-pressure balloon constant-pressure chart constant-pressure combustion constant-pressure gas thermometer constant-pressure-pattern flight constant-pressure surface constant radio code

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