| 单词 | spectral luminous efficiency |
| 释义 | spectral luminous efficiencynouna measure of the efficiency of radiation of a given wavelength in producing a visual sensation. It is equal to the ratio of the radiant flux at a standard wavelength to that at the given wavelength when the standard wavelength is chosen so that the maximum value of this ratio is unitySymbol: V ( λ ) ((for photopic vision)), V′ ( λ ) ((for scotopic vision)) Words nearby spectral luminous efficiencySpector, spectra, Spectracef, spectral, spectral line, spectral luminous efficiency, spectral series, spectral type, spectra yellow, spectre, spectrin Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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