Osten.奥斯特河(在德国)OSTabbr.科学与技术处(=office of science and technology)abbr.作战适用性试验(=operational suitability testing)ostium inhalans入水小孔osteroarthritis骨性关节炎osteotomoclasis[医] 折骨矫形术Osteoconduction骨传导Osteoblast cell成骨细胞Ostodes Kuangiin.绒毛叶轮木osteodystrophia骨营养不良,骨发育不全osteoperiosteal[医] 骨骨膜的osteoid osteoma样骨瘤ostium aorticum主动脉口