英语词汇“foot-lambert”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	foot-lambert
释义	WordReference Random House Unabridged Dictionary of American English © 2024 foot-lam•bert (fŏŏt′lam′bərt),USA pronunciation n. [Optics.] Opticsa unit of luminance or photometric brightness, equal to the luminance of a surface emitting a luminous flux of one lumen per square foot, the luminance of a perfectly reflecting surface receiving an illumination of one foot-candle. Abbr.: fL Also, foot′lam′bert. 1920–25
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