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

• 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。
• 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；
• 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。
• 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。
• 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。
• W hat a showing it was! These unprecedented energy and luminosity values impose new and stringent requirements on the machine design and performances.
  这种前所未有的能量和亮度给设计与运行带来了严酷的考验。
• 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
• Mysterious patterns of luminosity glowed in the night.
  神秘的光体图案在黑夜中闪亮。
• 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。
• 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。