Passive SIT非能动安注箱passiveadj.被动的；消极的n.被动性passive element integration无源元件集成化passive vibration isolation被动隔振passive mono-pulse seeker被动式单脉冲导引头passive stretching exercise被动牵张运动passive balance return loss无源均稀反射波损耗passive trajectory guidance被动弹道制导passive measureing distance无源测距passive isolation vibration被动隔振passive proximity tact fuse被动近炸引信passive relaxation exercise被动放松训练