OSTAC=Ocean Science and Technology Advisory Committee 海洋科学技术咨询委员会
OSTabbr.科学与技术处(=office of science and technology)abbr.作战适用性试验(=operational suitability testing)
ostium pulmonale肺动脉口
Ostwald rs curve奥斯特瓦尔德曲线
osteal resonance[医] 骨性叩响
osteitis interna[医] 牙槽骨髓炎
ostium incurrens入水小孔
osteoid aneurysm[医] [血管扩张性]骨动脉瘤
osteogenic cells[医] 骨原细胞
osteophytic spur赘生骨刺
osteopontin gene骨桥素基因