英语翻译摘要：对于二轴晶光性正负的判断,有两种途径.本文从数学角度出发,简要讨论了这两种判断条件的等价性.关键词：二轴晶

Abstract:There are two methods for positive/negative judgement of biaxial crystal optical characters.This paper briefly discusses the equivalence property of these two judgement conditions from the viewpoint of mathematics.
key words:biaxial crystal,optical characters,judgement conditions,mathematical model,equivalence property
完全手翻,累死我了,

Summary:For the second shaft crystal light sex plus or minus judgement, there are two ways. This article from mathematics Angle, discusses briefly the two judgment conditions of equivalence.
Keywords: biaxial crystal, light sex, judgment ,mathematical model ,equivalence conditions

For the second shaft crystal light sex plus or minus judgement, there are two ways. This article from mathematics Angle, discusses briefly the two judgment conditions of equivalence.