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lumens

《lumens》怎以读

《lumens》是什么意思

  • 释义

    腔,流明(光通量单位);

  • 英英释义

    lumen

    • n.
      • a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions

        同义词:lm

      • a cavity or passage in a tubular organ

        "the lumen of the intestine"

    学习《lumens》怎么用

    双语例句

    用作名词(n.)
    1. The innermost region of cotton is called lumen.
      棉纤维的最内层组织叫内腔。
    2. A former luminance unit equals to one lumen per square foot.
      旧制光的亮度单位等于每平方英尺流明。

    权威例句

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