Ostern.奥斯特OSTabbr.科学与技术处(=office of science and technology)abbr.作战适用性试验(=operational suitability testing)Osteotomy of metatarsal跖切骨术osteosclerosis fragilis[医] 脆弱性骨硬化, 家族性骨硬化病Osteotomy of iliac bone髂切骨术Osteoclastic resorption破骨性吸收ostensive-inferential明示-推理osteoblasts cultivation成骨细胞培养Osteoblastic metastasis成骨性骨转移Ostertagia podjapolskyi波氏奥斯特线虫Ostertagia circumcincta普通奥斯特他(氏)线虫osteotomy-osteoclasisn.切骨折骨术