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

the quality of being luminous
1. its luminosity is measured relative to that of our sun
Synonym:brightnessbrightness levelluminanceluminousnesslight

双语例句

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；
The mercury content of esculent fresh water fishes produced from Shanghai was determined by means of the cold atomic absorption luminosity.
以上海地区出产的食用淡水鱼为试样，通过冷原子吸收光度法检测鱼体中的汞含量。
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
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。
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。
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。
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。
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。
Besides, active power generation of these plans depends on the luminosity, which is very variable during day time.
此外这些电厂所发出的有功功率决定于天气的亮暗度，而其在白天变化是很大的。