“non-negative definite quadratic estimator”的概念、定义、翻译、参考文献-科学参考

单词	non-negative definite quadratic estimator
释义	non-negative definite quadratic estimator Encyclopedia 理学方差分析模型释 non-negative definite quadratic estimator 半正定二次估计具有半正定二次型形式的估计量。
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