Ossu奥叙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 surgery periodontal therapy牙周疗法-骨外科治疗ossification of interclinoid ligament床突间韧带骨化ossification of the ligamentum flavwn胸椎黄韧带骨化ossium extremitatis pelvinae juncturae[医] 髋骨结合Ossiculectomy with stapes mobilization听骨切除术伴镫骨松动术Osseous obstruction of eustachian tube咽鼓管骨性梗阻Ossification of hepatoduodenal ligament肝十二指肠脉络化Osseous metastasis tumor/drug therapy骨转移瘤／药物疗法osseointegrated compression screw implant骨融合式压缩纹状种植体OSSL Operating System Simulation Language作系统模拟语言