本文根据线性规划问题对偶变量和影子价格的经济意义，给出了影子成本的概念，讨论了影子成本与对偶价格的关系。
This article concerns the shadow cost concept and discusses the relationship between shadow cost and dual price according to linear programmings economic meaning of dual variable and shadow price.
本文探讨了对偶规划中的影子价格和灵敏度分析在饲料配方调整中的意义和作用。
In this paper the meaning and role of shadow prices on the Dual linear programming in the readjustment of Feed formula are discussed.
本文利用线性规划的对偶理论，研究了交通网络通路影子价格，并据此提出了道路网络规划方案产生的方法。
Using the theory of duality, this paper deals with the shadow price of the transport network and proposes the method of producing transport network planning.
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