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)
ossa intermaxillare[医] 切牙骨, 门齿骨
ossa vespertilionis[医] 蝶骨
ossa carpi distalia[医] 远列腕骨
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