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

单词	lumen-hour
释义	lumen-hour [ loo-muhn-ouuhr, -ou-er ] / ˈlu mənˌaʊər, -ˌaʊ ər / noun Optics. a unit of luminous energy, equal to that emitted in 1 hour by a light source emitting a luminous flux of 1 lumen. Abbreviation: lm-hr Origin of lumen-hour First recorded in 1920–25 Words nearby lumen-hour lumbricoid, lumbricosis, lumbricus, lumbus, lumen, lumen-hour, lum-hat, Lumholtz's kangaroo, Lumière, Luminaire, Luminal Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020
随便看	magnetic recording magnetic resonance magnetic resonance angiography magnetic resonance imaging magnetic resonance scan magnetic resonance scanner magnetic reversal magnetic roasting magnetic rotation magnetics magnetic south magnetic star magnetic storm magnetic strip magnetic stripe unthought-of unthread unthrone untidy untie until untimely untimeous untinged untiring

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lumen-hour