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单词 spectral luminous efficacy
释义 spectral luminous efficacy
[`spek·trǝl `lü·mǝ·nǝs `ef·i·kǝ·sē]
OPTICS
The ratio of the luminous flux emitted by a monochromatic light source in lumens to its radiant flux in watts, as a function of the wavelength of the emitted light.
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