短語詞組短語definite bilinear form 確定雙線性形式positive definite differential form [數(shù)]正定微分形式Definite Negative Form 定負型positive definite quadratic form 二次型negative definite quadratic form [數(shù)]負定二次型;負定二次形式positive definite Hermitian form 正定埃爾米特型;正定埃爾米特二次型positive definite quatratic form 正定二次型negative definite hermitian form 負定埃爾米特形式 返回 definite form