英语词汇“downward light output ratio [of a luminaire]”的翻译、意思、用法、释义-英汉汉英词典

单词	downward light output ratio [of a luminaire]
释义	downward light output ratio [of a luminaire]下半球照明具效率downward light output ratio [of a luminaire][燈具的]向下光輸出比電機工程
随便看	relative error -- proportional error relative error ; proportional error relative erythrocytosis relative evaporation relative evaporation gauge relative expansion relative exposure relative--exposure relative external standard deviation relative extremal relative extreme relative extremum relative fall relative fall of sea level relative--fefractive index relative fefractive index difference relative festigkeit relative file relative file organization relative fitness relative flow coefficient relative flow value relative fluctuation relative flying height relative force