luminosity
英 [ˌluːmɪˈnɒsəti]
美 [ˌluːmɪˈnɑːsəti]
n. (恒星等的)光度,亮度; 发光; 发亮
复数:luminosities
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.- 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。
- For a few years its luminosity flared up to about 10,000 times the present-day luminosity of the Sun.
英英释义
noun
- the quality of being luminous
- its luminosity is measured relative to that of our sun
双语例句
- 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。 - ( of a light) imparting a deathlike luminosity.
(指光线)发出像死了一般的光亮。 - 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。 - 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。 - With continued use, skin appears transformed as it recaptures youthful firmness and luminosity.
持续使用,皮肤会出现转变,因为它夺回青春的坚定性和亮度。 - 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。 - The cell luminosity factor was detected by flow cytometry, and the cell survival rate was calculated with trypan blue exclusion.
以流式细胞仪测量细胞发光率,以台盼蓝拒染法测算细胞存活率。 - 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。 - 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。 - 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。