得到了这个方程的等价方程。

The equivalent equation was obtained.

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也考虑了在根与解的问越上代数方程与具有滞后的代数方程的等价性。

The equivalauce of roots and solutions between algebraic equation and algebraic equation with time lags is considered.

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当样本量较大时，QIF方法表明工作相关阵的选择等价于无偏估计方程的选择。

When the sample size is great, QIF approach shows that the selection of working correlation is same to the selection of unbiased estimating equation.

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