所属栏目:矿物学专业术语
Definition: a crystal of low symmetry in which the index ellipsoid has three unequal axes二轴晶èr zhóu jīngExample:Based on geometric construction and theoretical derivation,the directions of the two kinds ofoptical axes in the biaxial crystal have been dedu ......(本文共 330 字 ) [阅读本文] >>