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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

  • 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。
  • 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。
  • 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。
  • 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。
  • 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。
  • 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。
  • ( of a light) imparting a deathlike luminosity.
    (指光线)发出像死了一般的光亮。
  • 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。
  • 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。
  • As you can see, I've picked up an area with almost no changes in colors and luminosity.
    正如你所看到的,我已经选择了一个领域,几乎没有任何变化,颜色和亮度。