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 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；
Therefore, the luminosity temperature of shock wave radiation source is reliably measured using a six-channel pyrometer.
文中采取2项措施，用六通道高温计比较可靠地测量了光源的辐射强度和辐射亮度温度，解决了实际测量中遇到的问题。
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。
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。
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。
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。
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。
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