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This paper is a critical look at the revised Central City activation Law of the optimal portfolio model for the urban stereotypes matrix model. Until now this has been a reflection on the chaotic manner in which support money has be utilized and the "choice and concentration " policy used by the government to plan basic strategic measures and decide which ones to use for cities and towns...
From the perspective of third-party take-back, namely the Product Responsibility Provider (PRP), this paper analyzes the cost about disused mobile phone including collecting expense, transport expense and disposal expense. Based on the analysis and using fuzzy similarity algorithm, a charging model is established to judge the standard that a mobile phone producer should pay for its disused mobile...
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