中文说明：相对最大购买力数学模型的证明_崔健伟
English Description：
Proof of mathematical model of relative maximum purchasing power_ Cui Jianwei
Proof of mathematical model of relative maximum purchasing power_ Cui Jianwei
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中文说明：相对最大购买力数学模型的证明_崔健伟
English Description：
Proof of mathematical model of relative maximum purchasing power_ Cui Jianwei相对最大购买力数学模型的证明_崔健伟.caj