“positive definite quadratic form”的概念、定义、翻译、参考文献-科学参考

单词	positive definite quadratic form
释义	positive definite quadratic form Mathematics ＞代数学＞型＞释义 positive definite quadratic form正定二次型 positive definite quadratic form正定二次形式，正定二次型^†
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