二次型的英文

binary form

quadratic form

quadric form

quadrics

• 二次:    secondary; quadrat ...
• 型:    mould; model
• 半定二次型:    semidefinite quadr ...

例句与用法

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1. Quadratic estimates of variance components and admissibility
   方差分量二次型估计及容许性
2. Limit theorems of a special kind of random quadratic forms
   一类特殊随机二次型的极限定理
3. The homological quadratic form in coalgebras
   余代数上的同调二次型
4. The canonical form of extended quadratic form
   广义二次型的标准形
5. The positive subdefinite and semipositive subdefinite solutions of matrix equation ax
   半正定二次型及半正定矩阵