Thecombination of this unusual X-ray and optical emission makes this aremarkable object.

这一不寻常的X射线和光发射的组合使它成为一个显著的对象。

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He has claimed that by slowing down light by way of an optical illusion, the light can then be bent around an object to 'conceal' it.

他称，通过一种光幻觉可以使光线变得迟缓，从而光线可以弯绕着物体而达到“隐形”效果。

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The combination of this unusual X-ray and optical emission makes this a remarkable object.

这一不寻常的X射线和光发射的组合使它成为一个显著的对象。

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It has an ingenious optical-guidance system a camera that can either lock on to an operator-designated object or can pick up a laser spot and home in on it.

ECONOMIST: Cheap smart weapons