【摘要】 介绍了Ｉｎｔｒａｎｅｔ 网络技术的含义，建立的步骤和方法以及对企业的影响．讨论了Ｉｎｔｒａｎｅｔ的局限性，对三种网络进行了比较，阐述了Ｅｘｔｒａｎｅｔ的特点和结构体系及Ｉｎｔｒａｎｅｔ 向Ｅｘｔｒａｎｅｔ 延伸的发展趋势．更多还原

【Abstract】 This paper introduces the meaning of Intranet technology,the method and process of building up as well as the influence to enterprises.The limitation of Intranet is argued,too.Through comparing three kinds of webs,it states the feature and the structural system of Extranet and the developing tendency of extending Intranet to Extranet.更多还原