They then cascaded the negative index medium with a positive refractive index medium so that the complete nanostructure behaved as one with an index of refraction of zero.
他们将负折射率材料和正折射率材料级联起来成功实现了零折射率行为的纳米结构。
In real life this is a phenomena that occurs when sunlight travels through a medium with a different index of refraction in certain cuts and angles.
在真实世界中，这是一种当阳光以一定角度穿过具有不同折射率的媒质时所发生的现象。
An improved method of the glancing incidence measuring index of refraction of crystal medium and prism was presented.
本文提出了掠入射法测定透明介质折射率的一种改进方法。
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