Office for Civil Rights办公室的民事权利 Office of Collateral Responsibility办公室的责任 Outgoing Call Restriction呼出限制 Official Court Reporter官方法院的记者 Operational Change Report操作变化的报告 Old Country Road旧的乡间小路上 Original Cast Recording演员录制 On-Campus Recruitment校园招聘 Overclocked RemixesOverclocked制作 Oxford, Cambridge & RSA Examination Board牛津、剑桥、RSA审查委员会 Office of Congressional Relations (OPM)办公室的国会关系(换) Open Collaborative Research开放的合作研究 Open Care Record (medicine)打开护理记录(药) Office of Community Relations办公室的社区关系 Orange County Register (newspaper)奥兰治县(报纸的)