As a result , the Graph Chasing , the Five Lemma, the Horseshoe Lemma in module theory generalized.把模论中的图追踪 、 五引理 、 马蹄引理推广到一般的情形.Bend the bar into a horseshoe...把铁条弯成马蹄形。I tried to beat that blackjack game at the Horsesh...
非法套汇的其他行为.Other acts of illegal foreign exchange arbitrage.讨论了避免套汇兑换率矩阵必须是正互反矩阵的结论, 以及给出了兑换率矩阵调整为正互反矩阵的方法.In order to avoid arbitrage, the rate matrix of exchange must be a positive reciprocal matrix.即使套汇交易出现, 也会被一些专业的交易...