Obsity肥胖
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 transplantation产科移植术
Obstetrical vaginorrhaphy产科阴道缝术
obscuration interferogram中心遮拦干涉图
obsorbing complex of soil土壤吸收性复合体
observability don't cares非奇异矩阵
OBS and its key techniques光突发交换及其关键技术