Convex function of demand, convex distribution of price and an optimal model for coexistence of multi-prices are established.
建立了商品销售中的凸需求函数，凸分布和多种价格并存的优化模型。
According to the practice demand, executes the basic function of transportation, inventory, stowage, portage, package, circulate manufactures distribution and information treatment to organic joint.
根据实际需要，将运输、储存、装卸、搬运、包装、流通加工、配送和信息处理等基本功能实施有机结合。
This system was programmed by VB6.0, and provided every demand and service function through friendly interface. It had some instruction to local agro-production and the reasonable crop distribution.
系统采用VB 6.0语言编程，通过友好的界面，实现各种查询及服务功能，对当地合理布局农作物品种有较好指导作用。
This system was programmed by VB6.0, and provided every demand and service function through friendly interface. It had some instruction to local agro-production and the reasonable crop distribution.
系统采用VB 6.0语言编程，通过友好的界面，实现各种查询及服务功能，对当地合理布局农作物品种有较好指导作用。
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