消极防御
- na.passive defense
- 网络passive defence; passive defenses
消极防御消极防御
passive defense
摘：美国军事术语大全 ... passive 无源的；被动的 passive defense 消极防御 passive homing guidance 被动寻的制导 ...
passive defence
斯旺西地道英语 | 推荐栏目——英语杂谈 ... legitimate defence 正当防卫 passive defence 消极防御 a harmful action 有害行为 ...
passive defenses
...ctive defense)，不同于民防常被称为“消极防御”(passive defenses)。