Agile manufacturing enterprises require ERP with some new optimization problems such as supplying chain planning, dynamic alliance forming, allocation of profit and risk, and so on.
敏捷制造企业对供应链计划、动态联盟的组成与风险利润分配等多种功能的需要，带来了一系列新的优化问题。
Moreover, the profit of contrarian strategies is significantly improved when the mean-standard deviation ratio optimization allocation is used.
均值-标准差比率优化配置可以显著地提高反向策略的赢利。
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