Ostar奥斯塔尔
OSTabbr.科学与技术处(=office of science and technology)abbr.作战适用性试验(=operational suitability testing)
Osteoradionecresis骨坏死,放射性
Ostwald gravimeter奥斯特瓦尔特比重计
osteoblastogenesis成骨细胞发生
ostensibly convert表面上转向
osteochondromyxoma骨软骨粘液瘤
Ostodes Katharinaen.云南叶轮木