obs.obsolete； abbr.；obstetricianOBSabbr.观察(=Observation）abbr.瞭望台（=Observatory）abbr.已废的(=Obsolete)abbr.无线电定向标选择器(=Omnibearing Selector)obstericals disease产科病observocontrol mode观控方式obscurantist policy愚民政策obstetric conjugate[医] 产科直径(骨盆入口最小的前后径)Obstretive jaundice梗阻性黄疸obstetric infection产褥期感染obstetrical nursing产科护理obstetric operation产科手术Obstetrical dispute产科纠纷obstetric paralysis产伤麻痹,分娩麻痹,产伤瘫痪