discriminant
特殊用法fundamental discriminant1.■基本判别式nonlinear discriminant1.■非线性判 别式relative discriminant1.■相对判别式discriminant of a field1.■域的判别式discriminant of a simple ring1.■单环的判别式discriminant of an algebraic equation1.■代数方程的判别式discriminant of quadratic form1.■二次型 的判别式