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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

双语例句

  • 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。
  • 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。
  • 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。
  • 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 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。
  • 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。
  • 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。
  • The mercury content of esculent fresh water fishes produced from Shanghai was determined by means of the cold atomic absorption luminosity.
    以上海地区出产的食用淡水鱼为试样,通过冷原子吸收光度法检测鱼体中的汞含量。
  • 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 unborn luminosity, take a nice rest.
    在无生的明光中,好好休息。