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)
Ostwald ripening奥斯特瓦尔德成熟
Osteoporotegerin护骨素
ostium pyloricum幽门口
osteoarthropathy骨关节病
Ostomy appliance造口术装置
ostium excurrens出水小孔
osteonephropathy骨肾病
osteoma of skull颅骨骨瘤
osteoma eburneum密质骨瘤
osteoma palatina腭骨瘤