英语词汇“luminous efficiency”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	luminous efficiency
释义	luminous efficiency n. The ratio of the total luminous flux to the total radiant flux of an emitting source.
随便看	blacken blackener Black English Black English Vernacular black eye black-eyed pea black-eyed Susan blackface blackfish black flag black-flag black fly blackfly Blackfoot black-footed albatross black-footed ferret Blackfoot Sioux Black Forest black frost black gold black grouse blackguard blackguardism blackguardly black gum

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