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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
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long hundredweight
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longicornia
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longies
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longiloquence
longing
longingly
longingness
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longinquity
long in the tooth
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longish
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更新时间:2025/11/23 16:23:22