Tucked away in the corner of an optics catalog, Fergus found a special filter that blocks visible light, but not IR or UV.
费格斯在一本塞在某个角落的光学器材目录里发现了一种能阻隔可见光的滤光片。
The results showed that the ER fluids carefully selected could be used as IR optical material and thus could probably find their new applications in optics.
利用ER流体的独特性质，可望在光学方面开辟一个应用新领域。
The results showed that the ER fluids carefully selected could be used as IR optical material and thus could probably find their new applications in optics.
利用ER流体的独特性质，可望在光学方面开辟一个应用新领域。
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