Relating to or characterized by double refraction .
关于或具有双折射特征。
The initial or frozen-in double refraction is replaced by an equivalent or virtual state of stress.
初双折射或被冻结的双折射，可用一个等效或有效应力状态来代替。
The invention provides a formed optical forming body with small double refraction and excellent transparency and impact endurance test resistance.
本发明提供成型后的双折射小、且透明、耐冲击性优异的光学成型品。
Method for stretching polymer film, polarization diaphragm and method for making said polarization diaphragm, polarizer, double refraction diaphragm and liquid-crystal display device.
拉伸聚合物膜的方法，偏振膜以及制造该偏振膜的方法，偏振器，双折射膜和液晶显示装置。
Having one direction along which double refraction of light does not take place. Used of a crystal.
单轴晶体的有一个方向的，沿此方向不发生光的双折射。用于晶体。
Having one direction along which double refraction of light does not take place. Used of a crystal.
单轴晶体的有一个方向的，沿此方向不发生光的双折射。用于晶体。
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