Ostran.奥斯特拉(在意大利；东经 13º09' 北纬 43º37')OSTabbr.科学与技术处(=office of science and technology)abbr.作战适用性试验(=operational suitability testing)ostium venae cavae caudalis后腔静脉孔Ostwald rs indicator theory奥斯特瓦尔德指示剂理论osteoplastia spinae bifidae[医] 脊柱裂[骨]成形术osteo-musculo-cutaneous肌骨瓣osteodystrophic arthropathy骨营养不良性关节病osteoarthritis hyperplastic[医] 增殖性骨关节炎, 肥大性肺性骨关节病osteochondritis necroticans[医] 坏死性骨软骨炎Ostearthritis in knee joint膝关节骨关节炎osteoprotegerin TNFR domain破骨细胞形成抑制因TNFR结构区Osteoarticular thermography骨关节温度记录法