The external networks can be divided into local networks and global networks, the former play role mainly in the industrial cluster; the latter provide possibilities for the enterprises to use the rich re.
企业的外部网络可以分为本地网络和全球网络，前者主要在产业集群中发挥作用，后者则为企业利用集群外的丰富资源提供了可能性。
According to various conducts of Hacker of computer network, this paper estimates the developing tendency of global network war in 21"century.
文章从电脑网络黑客的种种表现入手，预测了２１世纪全球网络大战发展的 趋势。
Firstly,the paper introduces the application requirement of Global Grid System, discusses the basic element of regular polyhedron subdivision.
首先介绍全球网格系统的应用需求,讨论采用正多面体剖分的基本要素。
