Ostap奥斯塔普
OSTabbr.科学与技术处(=office of science and technology)abbr.作战适用性试验(=operational suitability testing)
osteochondrodysplasia骨软骨发育不良,骨软骨发育异常
ostium uteri interunm子宫内口
Ostwald's colourmeter
Osteotomy of mandible下颌切骨术
Ostracod fossil zones介形类化石带
osteolytic metastases溶骨性转移
Osteoarficular damage骨密度
osteoporotic syndrome肌质疏松综合征
ostium valvae ilealis回肠瓣开口
osteoma of chest wall胸壁骨瘤