短語(yǔ)詞組短語(yǔ)quadratic c form 二次形式binary quadratic primitive form 二元二次原型quadratic differential form [數(shù)]二次微分形式quadratic -form identity 二次型恒等式semidefinite quadratic form 半定二次形式;[數(shù)]半定二次型indefinite quadratic form [數(shù)]不定二次型ternary quadratic form [數(shù)]三元二次型;三元二次式;三元二次形式real quadratic form [數(shù)]實(shí)二次型;實(shí)二次形式symmetric quadratic form 對(duì)稱二次形式;對(duì)稱二次型 返回 quadratic form