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单词
luminous efficiency
释义
luminous efficiency
n.
(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
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flaw
flawed
flawing
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flaxier
flaxiest
Flaxman
flaxseed
flaxy
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flayed
F layer
flaying
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flea beetle
fleabite
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更新时间:2025/8/14 7:17:56