释义 adj.[数] 二次的n.二次方程式 实用短语quadratic residue平方剩余,二次剩馀,剩余问题quadratic probing二次探测,二次探查,二次探查法,探测法quadratic reciprocity二次互反律,quadratic classifier二次分类器quadratic irrational二次无理数quadratic approximationquadratic formulaquadratic inequalityquadratic term 常用短语quadratic programmingquadratic formquadratic polynomialquadratic curvequadratic equationquadratic functionquadratic optimizationquadratic convergencequadratic interpolationquadratic residuequadratic approximation 同根词词根:quadricadj.quadric二次的quadrillion千之五次方的n.quadric二次曲面quadrillion百万之四次方;千的五次方