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随着人类进人信息化时代步伐的加快，Ｉｎｔｅｒｎｅｔ从过去主要用于科研和简单信息发布向商务化大踏步地迈进。广大商家和用户从各自不同的角度希望Ｉｎｔｅｒｎｅｔ能给他们带来更大的实惠。用户对Ｉｎｔｅｒｎｅｔ的应用需求有了根本的变化，电子商务已成为广大Ｉｎｔｅｒ
With the accelerating pace of human information into the era of Internet from the past mainly for scientific research and simple information dissemination to the commercial stride. The majority of businesses and users from their different perspectives hope that the Internet can bring them greater benefits. Users have a fundamental change in the application needs of the Internet, e-commerce has become the majority of Inter