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

For example, some accretion disks in binary star systems occasionally undergo large, temporary increases in luminosity.
例如，有些双星系统里的吸积盘，偶尔会短暂地大幅增加亮度。
In images like this one, Norham Castle, Sunrise where he uses oils like water color, and gives a fluid delicate luminosity that hovers on the edge of a pure blinding vision, that's almost abstraction.
如在《诺拉姆城堡日出》中，他用水彩画的技法画油画，使得画面中纯粹而炫目的景象周围笼罩着精致流畅的柔光。这几乎是抽象派画法了。
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。
The particle size is homogeneous with characteristics of high hardness, strong grinding force, rapid polishing, high efficiency and light luminosity.
产品粒度均匀，具备硬度高，磨削力强，抛光快，效率高，光度亮等特点。
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。
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。
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。
Mysterious patterns of luminosity glowed in the night.
神秘的光体图案在黑夜中闪亮。
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。
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