英语词汇“lumen-hour”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	lumen-hour
释义	lumen-hour lumen-hour [′lü·mən ¦au̇r] (optics) A unit of quantity of light (luminous energy), equal to the quantity of light radiated or received for a period of 1 hour by a flux of 1 lumen. Abbreviated lm-hr.
随便看	burned my boats burned my bridges burned off burned one out of burned one's boats burned one's bridges burned one to a cinder burned one to a crisp burned our boats burned our bridges burned out burned-out burned-out germinal center burned-outly burned out mucosa burned out of burned-out phase burned-out tax shelter burned out, to be burned-over burned rubber burned sand burned the candle at both ends burned their boats burned their bridges

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