英语词汇“luminous efficacy”的读音、翻译、释义、用法及例句-高考报名网

词汇	luminous efficacy
释义	luminous efficacy n.（名词 noun）【光】发光功效（总光通量与总辐射通量之比,符号 K）【电】光源效率（放射的光通量与消耗的电力之比: =lm/W; 符号 η〔↓v〕, Φ〔↓v〕）
随便看	played out player player piano playfellow playfield playful playgame playgirl playgoer playground play group playhouse playing card playing field playland playlet playlist playmaker playmate play-off play of words play on words playpen playpit playreader

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