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单词 luminosity factor
释义 luminosity factor
[´lü·mǝ`näs·ǝd·ē ´fak·tǝr]
OPTICS
The ratio of luminous flux in lumens emitted by a source at a particular wavelength to the corresponding radiant flux in watts at the same wavelength; thus this is a measure of the visual sensitivity of the eye. Also known as luminosity.
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