discriminant

判别式数学

If the discriminant is negative, the equation has no real roots.

如果判别式为负，这个方程式就没有实数根。

判别因素、区辨特征正式

Income proved to be the strongest discriminant between the two groups.

结果显示所得是区分这两组人最有力的判别因素。

判别的、区辨的统计学

They used discriminant analysis to classify the survey responses.

他们用判别分析把问卷回答分类。