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)observability indices可观测性指数列obstetric examination产科检查obstetrician ---产科医师.observing with respect仰观俯察OBSER Weather Observer气象观测员observability indicies可观测性指数列obstetrical pelvimeter产科骨盆计, 产科骨盆测量器Obstetric cephalometry产科测颅法obstetric forceps band产科钳牵引带obstetrical anesthesia产科麻醉[法]