求翻译：摘要：计算机网络和通信技术的飞速发展促使经济全球化和世界市场的形成，也使得处在信息时代的企业要面对比以往更加复杂、多变的环境，为克服传统价值链理论的局限性，1995年，杰弗里-雷伯特和约翰-斯维尔科莱特提出了虚拟价值链的观点。本文以现代商务环境为背景，介绍传统价值链从而引出虚拟价值链，分析虚拟价值链的模型，并将虚拟价值链与传统价值链进行比较，探讨虚拟价值链在企业中是如何运用的，总结虚拟价值链的重要性，以期为现代商务企业的发展提供有益参考。是什么意思？

Abstract: The rapid development of computer networks and communication technology to promote the formation of economic globalization and the world market, and also makes in the information age, businesses have to face more complex than ever, changing environment, to overcome the limitations of the t

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Abstract: computer networking and communication technology of the rapid development of economic globalization and the formation of the world market, making enterprise in the information age to face more complex than ever, and ever-changing environment, to overcome the limitations of traditional valu