单词 | refraction |
释义 | refractionnoun re·frac·tion ri-ˈfrak-shən 1 : deflection from a straight path undergone by a light ray or energy wave in passing obliquely from one medium (such as air) into another (such as glass) in which its velocity is different 2 : the change in the apparent position of a celestial body due to bending of the light rays emanating from it as they pass through the atmosphere also : the correction to be applied to the apparent position of a body because of this bending 3 : the action of distorting an image by viewing through a medium also : an instance of this |
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