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How do you create the refraction images ?

你如何创作折射图片？

Those telescopes that do not employ reflection use refraction .

那些不利用反射的望远镜利用的是折射。

This method is used to eradicate refraction errors by obtaining eye relaxation .

这种方法通过放松眼睛的方法矫正屈光度。

Those telescopes that do not employ reflection use refraction . They have a system of lenses , an idea first used to look at the stars by galileo .

而不采用反射的天文望远镜运用的是折射原理，它们由一系列的透镜组成，伽利略是第一个运用此类望远镜观察天体的人。

Such conditions are likely responsible for the unusually large refraction as well as the unusually good visibility .

在这种情况下才有可能具有异乎寻常的折射，以及非常良好的能见度。