Old French古法语 Optical Fiber光纤 Opposing Force敌人 Overflow[计算机] 溢出 Oil Filled充油的, 浸油的 Oracle Fiancial甲骨文财务系统 Optical Fiber Communication光纤通讯 Obstacle Free免费障碍 Optical Fuse (Delaire)光学熔断器(Delaire) Ordem dos FarmacÊuticos (Portuguese Pharmaceutical Society)Ordem dos FarmacÊuticos (Portuguese Pharmaceutical Society) OutFront (web development help site and forum community)网站建设网站OutFront(社区)和论坛的帮助 Order Formn. 定货单(定货用纸) Outfieldern. [棒球]外场手 Optional Form选填报表, 非必填报表 Overflow Flag溢出标记