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		Journal of System and Management Sciences 
		--- Vol.2, No. 3
		 
		 
		
		A linear programming approximation for network capacity control problem 
		with customer choice 
		 
		Feng 
		Liu, Ying Qu, Yanan Wang.........................................................................................................................1 
		An 
		integrated optimization model of a Closed-Loop Supply Chain under 
		uncertainty 
		 
		
		Xiaoxia Zhu, Xiuquan Xu....................................................................................................................................9 
		
		Management platform architecture of modern tobacco logistics based on 
		Internet of Things technologies
		 
		
		Jia Jiang, Kai Su...............................................................................................................................................18 
		
		Second innovation process based on extension engineering method
		 
		
		Zhenchun Zang , Ying Wang.............................................................................................................................30 
		
		Markov chain analysis and prediction on the fluctuation cycle of 
		vegetable price
		 
		
		Xiaoxia Zhu, Xiuquan Xu.................................................................................................................................40 
		Analysis of urban 
		road intersection model based on cellular automaton
		 
		
		Shuihai 
		Dou , 
		
		Xuemei 
		Li, 
		
		Juanqiong 
		Gou , 
		
		Xuewei 
		
		Li 
		......................................................................................50 
		3-D assembly process 
		information generation technology based on virtual assembly
		 
		
		Dan 
		Zhang , 
		
		Dunwen 
		Zuo , 
		
		Shanliang 
		Xue 
		
		........................................................................................................60 
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