亮度

亮度
liàngdù
(1) [brightness; brilliance]∶光源的颜色属性, 表现为光源所发的光由极暗(亮度最小)到极亮(亮度最大)之间的变化
(2) [luminance]∶在给定方向上一表面每单位投射面积的发光强度

Advanced Chinese dictionary. 2013.

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