亮度的英文

luminance; light intensity; brightness; brilliance; radiancy; illuminating power; lighting power; luminosity

• pulfrich亮度:    pulfrich brightnes ...
• 半亮度:    half intensity
• 场亮度:    field brightness; ...

例句与用法

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1. Brightness and color are inseparable in color films .
   彩色胶片上的亮度和颜色是不可分割的。
2. The current i, that passes through the led will determine its intensity .
   通过LED的电流I决定它的亮度。
3. It shone brilliantly for a week or two and then its brightness subsided .
   它辉煌地照耀一、二个星期后，亮度减退。
4. Astronomers can estimate the size and brightness of a star by its color .
   天文学家从恒星的颜色可以估计它的大小和亮度。
5. In a positive copy, relative tone or lightness/darkness valves are the same as in the original .
   在阳像拷贝中，相对色调或亮度暗度值，均与原稿一致。

百科释义

亮度（luminance）是表示人对发光体或被照射物体表面的发光或反射光强度实际感受的物理量，亮度和光强这两个量在一般的日常用语中往往被混淆使用。