Ostan纯氢氧化钠OSTabbr.科学与技术处(=office of science and technology)abbr.作战适用性试验(=operational suitability testing)Osteotomy of fibula腓切骨术osteogenetic fibers[医] 生骨纤维Ostrea edulis virus食用牡蛎病毒Ostertagia lanceatan.矛形奥斯特线虫osteochondromatosis骨软骨瘤病osteoporosis models骨质疏松模型osteomalacic pelvis基利安氏骨盆Osteotomy of tarsal跗切骨术osteoblastic cancer成骨性癌Ostrinia furnacabis玉米螟