Optical Character Recognition光学字符识别 Optical Character Reader(OCR)光字符阅读器, 光字符识别 Official Cash Rate官方现金利率 Organizational Capability Review组织能力审查 Operating Conditions Register操作条件登记 Online Community Relations (gaming site)在线社区关系(赌博网站) Oxygen Consumption Rate耗氧率,氧气消耗率 Office of Civil Rights办公室的公民权利 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