The classical transportation model (the output can satisfy the demand or not) can draw up the economical transportation quantity to minimize the whole cost when there is only one kind of material.
经典的运输模型(产销平衡或产销不平衡)只能进行一种物料的运量分配，从而实现总运费最小的目标。
The main procedure is predicting the demand of waterway transport by establishing balance model of transport ability and quantity in computer.
它的主要步骤是：预测出水运需求量，建立运力运量平衡模型，在用计算机进行优化求解。
Finally, an improved quantity competition model is quoted to analyze the sensitivity of project value to the market demand and firm strategy.
最后，对该模型进行了进一步的量化和敏感性分析，探讨了不同市场需求下企业的策略和项目价值。
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