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中文摘要：
针对具有多种商品流的三层供应链网络结构模型，考虑时间变量和库存问题，分别对制造商、零售商和需求市场的决策者的多期独立决策行为及其相互作用进行了分析，利用变分不等式构建了各层均衡模型以及系统均衡模型，得到了系统达到均衡的条件，给出了具体算例并进行了求解，最后与相关文献的模型进行了比较．
英文摘要：
We present a three-level competitive supply chain network with multi-commodityflow in which both time and inventory are considered. We analyze the multi-period inde-pendent decisions of the manufactures, retailers and demand markets as well as the effect oftheir interaction. The each level＇s equilibrium Model and the whole supply chain networkequilibrium model are obtained by variational inequality. The equilibrium conditions of thesupply chain network are given. A numerical example is given and solved.At last the modelis compared with that of literature.
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