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
- 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; - 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。 - 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。 - 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。 - 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。 - 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。 - 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 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。 - 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。 - 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。
