observobservation 观察;观测;观察资料
OBSabbr.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)
Obstetric implantation产科植入术
obstetric delivery bed产床
obscuration prediction掩星预报
Observing soil testing测土配方
observability estimate观测估计
obstetric auscultation产科听诊
Obstetrical depression产科抑郁
Obstetric hysterectomy产科子宫切除术
Obstetric intervention产科干预
Obstetrical uterectomy产科子宫切除