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)ossification center骨化中心,化骨中心osseous integration骨整合ossa suprasternalia胸骨上骨ossifocation center骨化中心osseous sarcoidosis骨结节病ossiculum Weberiani鳔骨Ossicular prothesis听小骨假体ossa tarsometatarsi跗跖骨osseo-aponeurotic[医] 骨[与]腱膜的ossa digitorum manus指骨