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
- velocity of light, light velocity
- velocity-of-light radius
- velocity of money
- velocity of motion along the path
- velocity of recession
- velocity of sound
- velocity of sound, speed of sound
- velocity of the center of mass
- velocity of working fluid
- velocity perturbation
- velocity phase space
- velocity potential
- velocity potential theorem of Lagrange and Cauchy
- velocity profile
- velocity pursuit guidance
- velocity resonance
- velocity selector
- velocity sensor
- velocity separator
- velocity space
- velocity spectrum
- velocity stringmethod
- velocity transducer
- velocity triangle
- velocity type gas flow meter