1.  luminance
2.  brightness

• 1. 亮度: Luminance | luminosity | brightness
• 2. 副亮度: BRIGHT-NESS | BR | BRI | BRIGHT
• 3. 明亮度: Brightness | Luminance | brillance | Luminosity

更多释义

• 1.但他的夜景画并不缺乏亮度。
  But his night paintings don't exactly lack brightness.
  dict.yoduao.com
• 2.在同一时期内，X 射线光源亮度的增加速度要快得多。
  The increase in brightness of the x-ray sources over the same period has occurred far faster.
  dict.yoduao.com
• 3.最好的信号不仅取决于它的亮度，还取决于它与背景的对比度。
  The best signal depends not only on its brightness but also on how well it contrasts with the background against which it must be seen.
  dict.yoduao.com

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