The reverse logistics can not only protect the environment,but also bring significant economic benefits. Through the inventory control of reverse logistics,a mathematical model of economic profit is established. Finally, the case of the XX engine Co. ,Ltd recovering the engines is used as an example to prove the model. The recycling inventory profits show that a recovery stock can produce greater economic benefits.%逆向物流不仅能够保护环境,还能带来显著的经济效益,研究逆向物流的库存控制,建立了经济利润的数学模型.通过公司回收发动机的案例印证了上述模型,证明回收可以增加企业的利润.
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