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Ice crystals should be plate shaped. They float in the air close to the ground reflecting light back downwards.

冰晶需呈片状，它们悬浮近在地面的空中，将光线向下反射。

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White is another roof colour used to fight both the urban heat island effect and global warming in general, by simply reflecting light back into space.

白色可以直接把光反射到空中，也通常是一种被用来对付城市热岛效应和全球变暖的屋顶颜色。

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Mirasol displays eliminate the need for backlights by reflecting light between two conductive plates.

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But over time, the white paint would be reflecting light and other electromagnetic radiation from its surface.

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Holographic images are created by reflecting light off carefully sculpted plastic surfaces.

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