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radiant flux
例句
DEFINITIVE EXAMPLES 权威例句
〔luminous efficiency〕
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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laudable
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laugh
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laugh at
laugh at yourself
laugh away
laugh loudly
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laugh out of court
laugh over
laugh stock
laugh-a-minute
laugh-out-loud
laughable
laughably
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更新时间:2026/1/23 1:51:15