词语屋>英语词典>luminosity翻译和用法

luminosity

英 [ˌluːmɪˈnɒsəti]

美 [ˌluːmɪˈnɑːsəti]

n.  (恒星等的)光度,亮度; 发光; 发亮

复数:luminosities 

TOEFL计算机

BNC.25798 / COCA.17466

柯林斯词典

  • N-UNCOUNT (恒星等的)光度,亮度
    Theluminosityof a star or sun is how bright it is.
    1. For a few years its luminosity flared up to about 10,000 times the present-day luminosity of the Sun.
      它的亮度有几年一度达到了现在太阳亮度的一万倍左右。

英英释义

noun

双语例句

  • Determination of Titania in Ti Ore with DAM Luminosity Method
    用二安替吡啉甲烷光度法测定钛矿中二氧化钛
  • For a few years its luminosity flared up to about 10,000 times the present-day luminosity of the Sun.
    它的亮度有几年一度达到了现在太阳亮度的一万倍左右。
  • In Wang Yangming's life, there are three strange phenomena: his precognition in Yang-ruing Cave, his awareness of Tao in Longehang and his luminosity on his coming to a close.
    在王阳明生平中,有三个奇怪现象:阳明洞先知、龙场彻悟和临终光明;
  • A luminosity that appears over swamps or marshes at night; ignis fatuus.
    夜间在旷野或沼泽出现的闪光;鬼火。
  • As you can see, I've picked up an area with almost no changes in colors and luminosity.
    正如你所看到的,我已经选择了一个领域,几乎没有任何变化,颜色和亮度。
  • ( of a light) imparting a deathlike luminosity.
    (指光线)发出像死了一般的光亮。
  • Paradoxical as it may seem, the value of a star's luminosity does not depend on the nuclear reactions taking place in the interior.
    看来十分奇怪的是,恒星的光度竟然与发生在内部的核反应无关。
  • Some celestial bodies similar to galactic nebulas but without any luminosity sometimes reveal their presence as dark patches obscuring the light of stars beyond them.
    某些与银河星云相似但不发光的天体,有时看来象块黑色补丁,遮住了周围的星光。
  • An oval-shaped radiation pattern provides a wider field of view with higher luminosity than standard LEDs, making the devices ideal for outdoor applications where readability in sunlight is essential.
    椭圆形发光模式的LED与标准的LED产品相比,不但扩大了视角,而且增强了亮度,这使得这些器件特别适合于要求在阳光下清晰可读的户外应用。
  • And observations show a decline in luminosity of the debris, which centered on the former site of the star.
    观测显示原星球位置为中心的发光体已经减少。