| 释义 |
DEFINITIVE EXAMPLES 权威例句〔Iceland spar〕A doubly refracting transparent calcite used in optical instruments.冰洲石：一种双折射透明方解石，用于光学仪器美国传统〔optic axis〕An optical path through a crystal along which a ray of light can pass without undergoing double refraction.光轴：通过晶体的一条光路，通过它光线可以不经双折射而通过美国传统〔uniaxial〕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。用于晶体美国传统 |