apparent brightness

基本解释

• [天] 视亮度；表观亮度

英汉例句

双语例句

• The object's apparent brightness yields the distance; its redshift yields the velocity.
  这些天体的视亮度可以得到距离，它们的红移可以得出速度。
• That unexpected finding was the result of studies of supernovas whose apparent brightness (and therefore distance) did not match the previous theory.
  这个出乎意料的发现是因为发现超新星的亮度（表示距离）和以前的理论不相符。
• When viewing extended objects, the apparent brightness seen in the eyepiece is a function only of aperture and magnification, it is not related to focal ratio.
  当观察扩展光源时，目镜中所看到的亮度只跟孔径和放大率有关，它跟焦比并没有关系。

权威例句

• It is similar to a Hertzsprung-Russell (HR) diagram but the latter plots luminosity (or absolute magnitude) rather than just apparent brightness and a knowledge of the distances of the stars plotted is also needed.
  ENGADGET: 9-gigapixel image of the Milky Way reminds us just how small we truly are

• apparent brightness更多例句

词组短语

短语

• apparent t brightness 视亮度
• apparent sky brightness 视天空亮度

• apparent brightness更多词组

专业释义

天文学

• 视亮度

物理学

• 表观亮度