单词	不無可取
释义	不無可取not without merit;
随便看	quadratic programming techniques quadratic quotient search quadratic reciprocity law quadratic rehash quadratic residue quadratic residue diffusor quadratic residue diffusor {=qrd} quadratic residues interactive proof system quadratic response quadratics quadratic--scattering quadratic scoring rule quadratic search quadratic sieve quadratic solitons quadratic space quadratic spline quadratic stark effect quadratic statistic quadratic strain quadratic strain triangle element quadratic sum quadratic surd quadratic surface quadratic surface -- quadric surface