Ostan纯氢氧化钠OSTabbr.科学与技术处(=office of science and technology)abbr.作战适用性试验(=operational suitability testing)Osteopetrosis virus硬骨症病毒, 脆性骨质硬化症病毒osteometric indices骨骼测量指数ostcopathia ovarica卵巢性骨症Ostracionsolorensisn.蓝带箱鲀osteomyelitis of jaw颌骨骨髓炎osteosis parathyroid[医] 甲状旁腺性骨化病, 囊状纤维性骨炎Ostertagia ostertagi奥氏奥斯特他(氏)线虫ostieitis ossificans骨化性骨炎Ostertagia skrjabinin.斯氏奥斯特线虫ostensive definition实物定义