passive air defense arm消极防空勤务部队
passive air defense消极防空
passive defense reaction被动防御反应
passive defense reflex翻译;被动防御反射英语
Withdraw Into Passive Defense龟缩
passive defense strategy消极战略
And then on this basis, using of active and passive defense technologies to design the campus network security program.
接着在此基础上采用主动与被动防御技术相结合,设计了校园网安全方案。
参考来源 - 校园网络安全系统的设计与实现