passive air defense
un. 消极防空
passive amentia
[医] 被动性精神错乱
passive anaphylaxis
[医] 被动过敏性
passive and gate
[电] 见AND gate
passive antenna
[电] 非励振天线
passive assets
[经] 固定资产
passive atrophy
[医] 被动萎缩
passive bond
[法] 无息债券
passive bonds
[经] 无利息债券
passive branching
[计] 无源分支
passive bubble generator
[计] 无源磁泡产生器
passive carrier
[医] 无滨史带菌者
passive circuit
[计] 无源电路
passive circulation
[经] 纸币的准备额
passive citizens
[法] 消极公民
passive clot
[医] 被动性血块(动脉瘤腔内)
passive communication satellite
[电] 无源通讯卫星
passive component
[计] 无源元件
passive comsat
[电] 看
passive concealment
[法] 消极隐匿, 被动隐瞒
