英语词汇luminous efficiency怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	luminous efficiency
释义	luminous efficiencyn.（名词） The ratio of the total luminous flux to the total radiant flux of an emitting source.发光系数：任何光源所辐射的总光通量与该光源总辐射通量之比
随便看	indigos indigo snake indigo squill indigotin indigotins indigo–blue indinavir indinavirs Indio indirect indirect evidence indirection indirect lighting indirect object indirect tax indiscernible indiscernibles indiscipline indiscreet indiscrete indiscretion indiscriminate indiscriminating indiscrimination indispensable

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