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
- 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。 - 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。 - 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。 - ( of a light) imparting a deathlike luminosity.
(指光线)发出像死了一般的光亮。 - Mysterious patterns of luminosity glowed in the night.
神秘的光体图案在黑夜中闪亮。 - 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。 - 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。 - 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。 - 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。