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Empirical conditional entropy 经验条件熵
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She has made empirical analysis and study using factor analytical method, entropy value method and synthesis ordinal number method, and reached the conclusion of practical worthiness.
运用因子分析法、熵值法、综合序数法等评价方法，进行实证分析和研究，取得了一定的有实际运用价值的结论。
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