On this basis, in order to minimize the two objectives of the transport costs to model, to convert it into a network flow model with a stratified, with the minimum cost maximum flow algorithm.
在此基础上以运输成本最小化为二级目标建立模型，将其转化成带有分层的网络流模型，用最小费用最大流算法进行求解。
By selecting an appropriate process flow scheme and innovation proposal, maximum benefit can be achieved at minimum cost.
选择合适的工艺流程和改造方案，以最小的投入，荻取最大的效益。
By selecting an appropriate process flow scheme and innovation proposal, maximum benefit can be achieved at minimum cost.
选择合适的工艺流程和改造方案，以最小的投入，荻取最大的效益。
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