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

• 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。
• 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。
• 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。
• In unborn luminosity, take a nice rest.
  在无生的明光中，好好休息。
• 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
• Lightness: That property of a colour that distinguishes how intense its hue is, e.g. distinguish a light blue from a dark blue or a red from a pink. See also Luminosity, Value.
  明度：区别色相明暗的颜色特性，例如浅蓝与深蓝或红色粉红色的区别。
• 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。
• In this paper, we investigate the relation between the redshift distribution and the luminosity function of extragalactic objects.
  在本文中，我们研究河外天体的红移分布和它们的光度函数之间的关系。
• Some celestial bodies similar to galactic nebulas but without any luminosity sometimes reveal their presence as dark patches obscuring the light of stars beyond them.
  某些与银河星云相似但不发光的天体，有时看来象块黑色补丁，遮住了周围的星光。
• 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。