OSSB麦秸定向刨花板OSSabbr.航天科学局(=Office of Space Sciences)；战略物资局(=Office of Strategic Services)；开放源代码软件(=Open Source Software)osseous hyperplasia骨质增生ossa intermaxillare[医] 切牙骨, 门齿骨ossa vespertilionis[医] 蝶骨ossa carpi distalia[医] 远列腕骨Ossified phenomenon僵化现象ossa interparietale[医] 顶间骨ossifying cartilage[医] 骨化软骨, 暂时性软骨ossa tarsi fibulare[医] 跟骨ossifying diathesis[医] 骨化素质Osseous abnormality骨质异常