本文主要研究了虚拟企业和供应链管理的运作原理和技术，提出了虚拟企业供应链管理运行的生产计划、采购、库存和销售管理模式。
The working principle and technology of virtual enterprise and supply chain management are studied. Product planning, purchase, inventory and sales management in virtual enterprise are put forward.
通过对西部物资供应现状的描述和对存在问题的分析，对物资采购供应管理模式进行探讨。
Introduced the management mode of material purchase and supply through presentation of material supply in the west and analysis of existing problems.
介绍了传统采购模式中存在的问题，提出了完善企业采购与供应管理的途径。
This paper introduces some problems existing in traditional purchasing mode, and puts forward some paths for perfecting the purchasing and supply management of enterprise.
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