When the absorption is weak, the lateral shift for the composites with positive refraction will exhibit a positive displacement.
而当介质的吸收较弱时，正折射材料表面的古斯-汉欣位移才会出现正位移。
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。
Recent experiments that demonstrate the negative refraction of light has led a hot scientific debate to a close, and will bring the negative-index material a positive future.
近期关于光的负折射现象的论证实验给这个激烈的科学争论一个结论。并且对负反射物质的美好未来给予肯定。
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