passive EOC无源EOCpassiveadj.被动的；消极的n.被动性passive targeting无源定位Passive OP-FTIR被动式OP-FTIRpassive mode lock无源方式锁定passive infection被动侵染passive restraint被动约束passive treatment被动疗法Passive pneumonia被动性肺炎passive electrode收集电极,接地电极passive splinting被动夹板疗法passive avoidance消极躲避