知识贝壳
知识贝壳
所属栏目：矿物学专业术语
Definition: Birefringence,or double refraction,is the decomposition of a ray of light (andother electromagnetic radiation) into two rays (the ordinary ray and the extraordinary ray)when it passes through certain types of material,such as calcite crystals ......（本文共 1464 字 ） [阅读本文] >>