checketf01 www.indexuniverse.com/analytics
回答: 李导数01 对流形上任意张量场,讨论张量场对底空间坐标进行微分或取导数运算,需将一点张量与临近点张量建立联系,进行比较,因而能定
由 marketreflections
于 2011-09-17 17:56:24
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