该方法克服了其他方法的局限性，具有较广的适用性，能对两个模型的拟合优度作出定量的比较。

This method eliminates the limitations in other methods and has wide applicability. Applying the method we can quantitatively compare the goodness of fit of the two models.

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为此，本文引入优度分析概念。

For this reason, the paper introduced the conception of superiority analysis.

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一般的拟合优度检验方法只能用于分布完全已知的情况。

The common goodness-of-fit tests require continuous distributions with known parameters.

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