biaxial crystal

• 二轴晶,双轴晶体

biaxial crystal的用法和样例：

例句

1. Through the parameter you can judge whether a gem is uniaxial or biaxial photopositive or photonegative.
   根据此参数可以判断一块宝石，是单轴晶体还是双轴晶体，是正趋光性还是负趋光性。
2. The reflection of ordinary light on the internal boundary surface of the uniaxial crystal is studied.
   研究了寻常光在单轴晶体内表面上的反射规律。