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单词 luminance
释义

luminance

noun
/ˈluːmɪnəns/
/ˈluːmɪnəns/
[uncountable] (physics)
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  1. the amount of light given out in a particular direction from a particular area
    Word Originlate 19th cent. (as a general term meaning ‘light, brightness’): from Latin luminant- ‘illuminating’ (from the verb luminare) + -ance.
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更新时间:2024/9/22 11:24:15