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 metatarsale III[医] 第三跖骨ossific chondrophyma骨化软骨瘤ossa metacarpale III[医] 第三掌骨ossa intercuneiforme[医] 楔间骨ossa supranavicularia舟上骨osseous stress lesion骨应力性病变ossicular dislocation听小骨脱位ossifying pneumonitis骨化性肺炎ossa intermetatarseum[医] 跖间骨ossification of penis阴茎骨化