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)
ostitis mastoidea乳突(骨)炎
osteogenic factor成骨因子
osteoclastic cell破骨细胞
ostagmin reaction阿斯科利氏反应
osteomesteomiosis骨碎裂
osteogenesis gene成骨基因
osteometric board测骨牌
osteoid carcinoma骨化性癌
osteogenitor cell骨祖细胞
ostium ileocecale回盲结肠口