spectral luminous efficiency
柯林斯詞典
1. N a 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 unity 光譜發(fā)光傚率 ( symbol: λ, symbol: λ)
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