名词
中文翻译：亮度指数
同义词：
['亮度指数，亮度指数值例句：1. The index of brightness is a measure of how much light reaches the surface of an object.（亮度指数是衡量光线到达物体表面的程度的指标。）']
例句：
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1. The index of brightness is a measure of how much light reaches the surface of an object.
亮度指数是衡量光线到达物体表面的程度的指标。
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2.The index of brightness can be used to determine the optimal exposure time for photography.
亮度指数可以用来确定摄影的最佳曝光时间。
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3.The index of brightness is often used in computer graphics to control the intensity of colors displayed on screens.
亮度指数在计算机图形中常用来控制屏幕上显示颜色的强度。