理学 网络攻击 释 hacker 黑客 拥有高深的计算机及网络知识，能够躲过系统安全控制，达到进入或破坏计算机系统或网络的非法用户。利用公共通信网路，如互联网和电话系统，在未经许可的情况下，载入对方系统的被称为黑帽黑客（black hat，另称cracker）；调试和分析计算机安全系统的称为白帽黑客（white hat）。
信息安全 系统安全分析与漏洞挖掘 释文 hacker 黑客
- National Democratic Congress
- national democratic movement in the Third World
- national desert expedition of China
- national desert park
- National Diet Library
- National Digital Library Construction and Service Joint Meeting
- National Digital Library Project of China
- National Digital Publishing Base in Guangdong
- National Digital Publishing Base in Jiangsu
- National Digital S&T Literature Preservation Infrastructure
- National Dinosaur Museum: Canberra
- National Doctoral Students Academic Forum of Information Science
- national "double first-class" discipline construction institutions in grassland science discipline
- National Drama Movement
- national drill-hole database
- National drug standards
- National Ecological Environment Construction Plan
- national ecological industrial demonstration park
- National Ecological Observatory Network of America
- national ecological security
- national ecology garden city
- national economic accounting
- national economic and social development plan
- national economic and social development planning
- National Economic Atlas of the People’s Republic of China