中文摘要：

首先介绍了网络拓扑结构的定义,指出了发现网络拓扑结构知识的分析方法与传统学科的不同,并以互联网为例,综述了在互联网拓扑结构分析领域的主要结论,指出了当前广泛存在的对拓扑认识的误区,并提供了应用互联网拓扑知识的多个实例,最后从实用性和学科发展2个方面说明了通过网络拓扑结构分析获得新知识的重要意义。

英文摘要：

At first the definition of network structure and the differences between analysis method to network structure and those in the traditional disciplines were introduced.Then the Internet was taken as example to review main properties in the internet topologies,point out some widely existing misunderstandings,and present some applications which used topology knowledge of the internet.Finally,from the perspectives of both practical and academic development,the significance of new findings in the network topologies was highlighted.