Obsessive-Compulsive Foundation强制性基金会 Operational Check Flight操作检查航班 Overwhelming Colorfast (band)不褪色的(带)的压倒性 Operational Control Field运行控制的领域 Online Camping Friends在线露营朋友 Object Collaboration Framework对象合作框架 Ordnance Cloth Factory (Avadi, Chennai, India)军械厂(Avadi,莱布,印度) Operator Configuration File经营者配置文件 On-Cycle FailureOn-Cycle失败 Off Camera Flash关闭相机的闪光灯 Ontario Common Front (Canada)安大略省普通前(加拿大) Overall Correlation Factor整体相关的因素 Oldest Cell First古老的细胞 Open Catalog Format打开目录格式 Other Customer Funds其他客户资金