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luminous efficacy of radiant flux
meaning in Chinese
视见函数,光见度
Related Words
luminance efficacy of a source of light
luminous
luminous indicator
luminous arc
luminous edge
luminous exitance
luminous sensitivity
luminous emission
luminous surface
luminous thermometer
luminous effect; photoeffect
luminous efficacy
luminous efficacy(of a source)
luminous efficiency
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