求翻译：本文将首先分析供应链环境下的库存管理的现状，然后结合国内外企业实践经验及理论研究成果，讨论几种先进的供应链库存管理模式，包括VMI模式、JMI模式和多级库存优化等。接下来，重点对多级库存优化模式下库存管理系统进行分析建模，并利用面向对象的统一建模语言UML——当前使用最广泛的一种软件建模语言，给出系统的包图、用例图、顺序图、协作图、类图、对象图、状态图、活动图和配置图等等。是什么意思？

This article will first analyze the supply chain inventory management under the status quo, and then combined with practical experience in domestic and foreign enterprises and theoretical research results, discusses several advanced supply chain inventory management, including the VMI model, JMI mod

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This article will first analyze under the supply chain environment the stock management present situation, then will unify the domestic and foreign enterprise experience and the fundamental research achievement, will discuss several kind of adva

This article will be the first analysis of the status of inventory management in supply chain, and practical experience and theoretical research of domestic and international enterprises, discusses several advanced supply chain inventory management models, including VMI model, JMI style and multi-st