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-现代词典

单词	luminous efficiency
释义	luminous efficiency noun : the ratio of the total luminous flux radiated by any source to the total radiant flux from that source commonly expressed in lumens per watt
随便看	dermographism dermoid dermoid dermoidal dermoid cyst dermometer dermomuscular dermonecrotic dermoptera dermopteran dermopterous dermoskeleton dermotactile dermotropic derms -derms derms dern dernier dernier dernier cri dernier resort dernier ressort dero- dero

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