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

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
( of a light) imparting a deathlike luminosity.
（指光线）发出像死了一般的光亮。
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。
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。
The particle size is homogeneous with characteristics of high hardness, strong grinding force, rapid polishing, high efficiency and light luminosity.
产品粒度均匀，具备硬度高，磨削力强，抛光快，效率高，光度亮等特点。
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。
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。
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。
Cannot maintain luminosity when replacement ink is lighter than deleted ink.
当替换墨迹比所删除墨迹淡时，则无法保持发光度。
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。