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 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。
• 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。
• 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。
• 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。
• 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。
• Pattern recognition method for wear mode of diesel engine based on the fuzzy clustering Modal identification of luminosity signals in frequency domain
  基于模糊算法的柴油机磨损模式识别光度信号的频域模式识别方法研究
• 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；
• 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。
• Mysterious patterns of luminosity glowed in the night.
  神秘的光体图案在黑夜中闪亮。
• The only reason for doing this is that it is difficult for people to recognize this inseparability of clarity and emptiness, or luminosity and emptiness, at the beginning.
  而之所以这麽做，唯一的理由是：初学者一开始就要认识这「明空不二」，是很困难的。