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眼镜161是多少度

更新时间: 2020-11-05 00:00:00     

眼镜1.61是镜片的折射率,一般和度数没有关系,但折射率越高,镜片相对就越薄。

镜片折射率是光在真空中的传播速度与光在镜片材料中的传播速度之比,反映了镜片对光线的折射能力。

关键词: 眼镜 多少

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