短語(yǔ)詞組短語(yǔ)luminous power efficiency 功率效率luminous radiation efficiency 發(fā)光輻射效率luminous s efficiency 發(fā)光效率relative luminous emission efficiency 相對(duì)發(fā)光效率v Luminous flux efficiency 光通量效率luminous -efficiency function 所謂亮度有效函數(shù)LED luminous efficiency 發(fā)光效率;光通量;燈具出光效率;單顆LED發(fā)光效率spectral luminous efficiency [光]光譜發(fā)光效率;光譜效率曲線;[光]光譜光視效率;光譜發(fā)光效能scotopic spectral luminous efficiency 暗視覺(jué)光譜光視效率 返回 luminous efficiency