Open SystemC Initiative打开SystemC主动权 Ohio Science Institute俄亥俄州的科学研究所 One Stroke Certified Instructor一个冲程注册教练 Oral Sciences口腔科学 Office for Social Concern and Involvement办公室为社会各界的广泛关注和参与 Omaha Soaring Club, Inc.高耸入云的俱乐部,奥 Owner Supplied Contractor Installed (building construction)业主提供安装(建筑承包商) Online Services Computer Interface网络服务的计算机接口 Onderwijs, Sociale zaken, Cultuur en IntegratieOnderwijs,Sociale zaken,Cultuur en Integratie Oregon State Correctional Institution俄勒冈州惩教机构 Octal Serial Communication Interface八进制串行通信接口 Oscient Pharmaceuticals Corp. (stock symbol)制药公司Oscient。(股票符号) Oberon System and Compiler Implementations奥布朗:系统和编译器实现 OrganizaciÓn Simpatizante de la IV InternacionalOrganizaciÓn Simpatizante de la IV Internacional Oberon System and Compiler Implementation奥布朗:系统和编译器实现