hierarchy of networks造句

例句与造句

1. The thesis analyzes concerned hidden trouble of network security , common used method of network attack , the system structure of information system , hierarchy of network security , security evaluation rule of information system , and analyzes the problem of e - business which shall be solved
   本文分析了网络本身存在的安全隐患，常见的网络攻击方法，信息系统的安全体系结构，网络安全的层次模型，信息系统的安全评估准则，在此基础上分析了电子商务要解决的难题。
2. It's difficult to find hierarchy of networks in a sentence. 用hierarchy of networks造句挺难的