Passive SIT非能动安注箱passiveadj.被动的；消极的n.被动性passive infrared homing head被动式红外自动导向头Passive Behavior Measurement被动行为测量Passive tubular reabsorption肾小管被动再吸收passive infrared rangefinder被动式红外测距仪,被动红外测距仪passive locking and tracking无源定位与跟踪passive treatment technology被动处理技术passive reinforcement method被动加固法passive detection-tracking无源探测跟踪passive hemagglutination test被动血凝试验, 间接血凝试验Passive Voice in Simple Tense被动语态的一般时态