“单位权方差”的概念、定义、翻译、参考文献-科学参考

单词	单位权方差
释义	单位权方差 Encyclopedia 工学精度释 variance of unit weight单位权方差权为1的观测值的方差。用σ2表示。又称方差因子。
随便看	locally path-connected space locally periodic radical locally polyhedral locally presentable category locally presented module locally pseudoconvex set locally quadratic transformation locally reacting surface locally realized covering relation locally rectifiable curve locally resonant mechanism locally ringed space locally separable space locally simply connected locally small category locally smooth space locally soluble group locally soluble subgroup locally solvable algebra locally solvable group locally starring set locally subbounded lattice locally subnormal element locally supersoluble group locally symmetric space

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