名词
中文翻译：光亮度比同义词
同义词：
['brightness ratio', 'illuminance ratio']
例句：
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1. The new product has a luminance ratio of 80%, which is significantly higher than the previous model.
新产品的亮度比为80%，明显高于前一代产品。
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2. In lighting engineering, the luminance ratio is used to measure the brightness of light sources.
在照明工程中，光亮度比用于测量光源的亮度。
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3. The luminance ratio is an important factor in determining the effectiveness of lighting systems.
光亮度比是决定照明系统有效性的重要因素。