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luminous energy英英字典_luminous energy剑桥英语解释_luminous energy柯林斯英文解释_94生活常识网有道词典
94生活常识网有道词典

luminous energy

L 开头单词

柯林斯词典

    luminous energy

  • 1. N energy emitted or propagated in the form of light; the product of a luminous flux and its duration, measured in lumen seconds 发光能量 ( symbol: )

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