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| relative luminosity factor (the ratio of the luminosity factor for a particular wavelength to the value at the wavelength of maximum luminosity); spectral-response function of the eye | |||
| relative luminosity factor; relative luminous efficiency of radiation | |||
| spectral luminous efficiency | |||
| photopic spectral efficacy | |||
| spektraler Hellempfindlichkeitsgrad: 2 短语, 2 学科 |
| 光学（物理学分支） | 1 |
| 电子产品 | 1 |