基本解釋[數(shù)學(xué)]基二元二次型詞組短語(yǔ)短語(yǔ)properly primitive binary quadratic form 真本原二元二次型binary quadratic primitive form 二元二次原型primitive binary quadratic form更多詞組專(zhuān)業(yè)釋義數(shù)學(xué)基二元二次型