基本解釋[數(shù)學(xué)]負(fù)定二次形式負(fù)定二次型詞組短語短語negative definite hermitian quadratic form 負(fù)定埃爾米特二次型non -negative definite quadratic form 非負(fù)二次型semi -negative definite quadratic form 半負(fù)定二次型negative semi -definite hermitian quadratic form 半負(fù)定埃爾米特二次型negative definite quadratic form更多詞組專業(yè)釋義數(shù)學(xué)負(fù)定二次形式負(fù)定二次型