域: land within certain boundari ...的: 4次方是 The fourth power of 2 i ...判别式: discriminant; criterion单环的判别式: discriminant of a simple ring代数方程的判别式: discriminant of an algebraic equation多项式的判别式: discriminant of a polynomial衡准判别式: criterion formula基本判别式: fundamental discriminant判别式部分: discriminant part判别式常数: discriminant constant判别式的值: discriminant value判别式方法: discriminant approach判别式关系: discriminant relation判别式规格: discriminant specification判别式函数: discrimator; discriminant function判别式检查: discriminant check判别式检验: discriminant check判别式描述: discriminant description判别式指数: discriminant index屈服判别式: yield criterion退化判别式: criterion of degeneracy相对判别式: relative discriminant二次方程判别式: discriminant of quadratic form; quadratic discriminant因子判别式分析: factorial discriminant analysis; factorial discriminant anlalysis方程式解的安定性判别式: stability criterion for equation