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文章认为无量纲化方法的合理性取决于运用该方法对被评对象进行等级排序的合理性。根据序号总和理论,在逐步探寻合理等级排序依据的前提下,可以根据各无量纲化方法所做的等级排序与合理等级排序的等级相关系数来进行无量纲化方法的优选,并通过实证分析得出了相应的结论。

The author thinks the rationality of an undimensionalized method depends on the rationality of the rank it assigns to objects. Under the premise of establishing gist of rational rank, we can choose the best one from non-dimensionalized methods according to the correlation coefficient between the ranks assigned by them and the rational rank collocation, and draw relavent conclusions through practical analysis.