名词
中文翻译：光亮度差异
同义词：
['lightness difference', 'brightness difference']
例句：
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1.The new lamp has a much greater luminance difference than the old one.
新灯的亮度差异比旧灯大得多。
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2. The artist's use of light and shadow creates a remarkable luminance difference in the painting.
艺术家使用光线和阴影在画作中创造了显著的亮度差异。
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3. In this experiment, we measured the luminance difference between two different light sources.
在这个实验中，我们测量了两种不同光源之间的亮度差异。