词语吧>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

  • Human research on the microcosm is the motive force behind the development of particle accelerators, which have been advancing towards higher luminosity and better performance.
    更高的能量和更高的亮度是用于高能物理研究的加速器发展的两大前沿。
  • In unborn luminosity, take a nice rest.
    在无生的明光中,好好休息。
  • 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。
  • W hat a showing it was! These unprecedented energy and luminosity values impose new and stringent requirements on the machine design and performances.
    这种前所未有的能量和亮度给设计与运行带来了严酷的考验。
  • In this paper, we investigate the relation between the redshift distribution and the luminosity function of extragalactic objects.
    在本文中,我们研究河外天体的红移分布和它们的光度函数之间的关系。
  • 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。
  • Lightness: That property of a colour that distinguishes how intense its hue is, e.g. distinguish a light blue from a dark blue or a red from a pink. See also Luminosity, Value.
    明度:区别色相明暗的颜色特性,例如浅蓝与深蓝或红色粉红色的区别。
  • One of them is that their luminosity is heavily biased to the UV portion of the spectrum, and they're unusually bright.
    共同性质之一是它们的发光体极度偏向于光谱的紫外线部分,异常明亮。
  • Mysterious patterns of luminosity glowed in the night.
    神秘的光体图案在黑夜中闪亮。
  • 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。