Aging of paper and its mechanism under different light sources were discussed.

讨论了光对纸的老化作用及其机理。

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This method can be used in the series of lighting or different light sources and had good results on highways and the Shanghai Nanpu Bridge.

本方法可以处理群灯及不同光源的照明计算，在高速公路及南浦大桥使用中取得满意效果。

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Objective: This study evaluated the micro-hardness of light-cured composite resin of different light sources, materials , exposure duration time and depth.

目的：探讨不同条件及不同厚度下光敏复合树脂的显微硬度。

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But we're going to irradiate it with two different light sources.

但是我们将用两种,不同的光源照射它。

麻省理工公开课 - 化学原理课程节选

Colors can change shade, or metamerize, under different light sources, so when Harfouch hits on a perfect match he has to be sure it looks the same under sunlight as it does under artificial, supermarket light.

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