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VincentWei

天地间,浩然正气长存,为天地立心,为生民立命,为往圣继绝学,为万世开太平!

利用变分学得出的结论(估计大部分人是看不懂的)

VincentWei    2019-09-17 17:22


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Last Modified: 2019-09-17 17:22
Views: 1.8K

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