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)obstalces detection障碍检测Obstrucive jaundice梗阻性黄疸observability index可观测性指标obstetric apparatus助产器observing diagnosis指纹Obscuctive jaundice阻塞性黄疸obscission of fruit脱果现象Obstetric injection产科注射Obsu'uctive jaundiceobstetrical position分娩卧位