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商业增值网(VAN),是国际上近十年成长壮大起来的一种有效的新型网络服务机制,它可帮助用户支持多种用途的计算机联网信息处理与提供资源共享功能,已成为众多国家企业进行电子商务的宠儿。
VAN is an effective new network service mechanism that has grown and become strong in the last ten years in the world. It can help users to support the computer networking information processing and resource sharing for various purposes. It has become a service for many state enterprises The darling of e-commerce.