or

OR Ordinary Proton (event) 普通的质子(事件)

OR Object to Relational 物体的关系

OR Officer Representative 军官代表

OR Omani Rial (national currency) 阿曼对手(国家货币)

OR Objective Response 目标响应

OR Organization Administrator 组织管理者

OR Office of Record 办公室的记录

OR Omega Rho (honors society for Operations Researchers) 欧米茄隔离(荣誉学会操作人员)

OR Old Ruymian (alumni of Chatham House Grammar School for boys, Ramsgate, Kent, UK) 古老的皇家Ruymian(校友,Ramsgate文法学校,肯特、英国)

OR Ontario Reports 安大略的报告

OR Outward Radial 外在的径向

OR Odds Ratio (element of statistical regression analysis, science) (比值比为元素的统计回归分析,得出科学)

OR Open Repair 打开修复

OR Oristano, Sardegna (Italian province) Oristano赶赴(意大利)

OR Operations Requirements 操作要求

OR Operationally Ready 选好

OR Orgone (energy) Orgone(能量)

OR Over Rate (cricket scoring) 在利率(板球得分)

OR Offensive Rebound (basketball) 进攻篮板(篮球)

OR Oxygen Reduction 氧还原