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
- 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。 - 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。 - As soon as the contracting cloud becomes opaque to its own infrared radiation, its luminosity will drop abruptly.
一旦收缩云变得对它的红外辐射不透明时,它的光度便要急剧地降低。 - 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。 - 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。 - 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 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; - Mysterious patterns of luminosity glowed in the night.
神秘的光体图案在黑夜中闪亮。 - ( of a light) imparting a deathlike luminosity.
(指光线)发出像死了一般的光亮。 - 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
