| OCA | Oregon Citizens Alliance (political group) | 俄勒冈州公民联盟(政治团体) | 
                                    	
									| OCA | Olympic Coordination Authority (Australia) | 奥林匹克协调局(澳大利亚) | 
                                    	
									| OCA | Office of Consumer Advocate (Pennsylvania) | 消费者权益倡导办公室(宾夕法尼亚州) | 
                                    	
									| OCA | Online Crash Analysis (Microsoft Windows) | 联机崩溃分析(Microsoft Windows) | 
                                    	
									| OCA | Overflow Channel Allocation | 溢流通道分配 | 
                                    	
									| OCA | Ohio Collectors Association | 俄亥俄州收藏家协会 | 
                                    	
									| OCA | Obstacle Clearance Altitude | 超障净高度 | 
                                    	
									| OCA | Orthodox Church in America | 美国正教会 | 
                                    	
									| OCA | Oldsmobile Club of America | 美国Oldsmobile俱乐部 | 
                                    	
									| OCA | Ontario Chiropractic Association (Association Chiropratique de l\'Ontario) | 安大略脊骨协会(协会Chiropratique de fixation 'Ontario) | 
                                    	
									| OCA | Ontario Camping Association (Toronto, ON, Canada) | 安大略省露营协会(加拿大安大略省多伦多市) | 
                                    	
									| OCA | Ohio Connections Academy (subdivision of US K-8 online school) | 俄亥俄连接学院(美国K-8在线学校的分部) | 
                                    	
									| OCA | Objectivist Club Association | 客观主义俱乐部协会 | 
                                    	
									| OCA | Operational Capability Area (GIG IA architecture version 1.1) | 作战能力领域(GIG IA体系结构1.1版) | 
                                    	
									| OCA | Ohio Chess Association | 俄亥俄州国际象棋协会 | 
                                    	
									| OCA | Original Classification/Classifying Authority | 原始分类分级的权威 | 
                                    	
									| OCA | Office of Community Affairs (law enforcement) | 社区事务办公室(执法) | 
                                    	
									| OCA | Office of Cultural Affairs (New Mexico, USA) | 文化事务办公室(美国新墨西哥州) | 
                                    	
									| OCA | Oculocutaneous Albinism (inherited disorder) | 眼部皮肤白化病(遗传性疾病) | 
                                    	
									| OCA | The Oregon Cattlemen\'s Association | 俄勒冈州养牛业者协会 | 
                                    	
									| OCA | One Cancels All (online stock trading) | 一次取消所有(在线股票交易) | 
                                    	
									| OCA | Omni-Directional/Channel Assignment | 全方位/指定频道 | 
                                    	
									| OCA | Orthodontic Centers of America, Inc. | 美国正畸中心。 | 
                                    	
									| OCA | Organization of Chinese Americans | 华裔美国人组织 | 
                                    	
									| OCA | Office of the Court Administrator | 法院院长办公室 | 
                                    	
									| OCA | The Organic Consumers Association | 有机食品消费者协会 | 
                                    	
									| OCA | Organizational Culture Obstacle | 组织文化障碍 | 
                                    	
									| OCA | Office of Congressional Affairs | 国会事务办公室 | 
                                    	
									| OCA | Ontario Court of Appeal (Canada) | 安大略上诉法院(加拿大) | 
                                    	
									| OCA | Overall Configuration Analyses | 总体配置分析 | 
                                    	
									| OCA | Orthodontic Centers of America | 美国正畸中心 | 
                                    	
									| OCA | Originating Case Agency Number | 发起案件机构编号 | 
                                    	
									| OCA | Original Controlling Authority | 原始控制机构 | 
                                    	
									| OCA | Office of Court Administration | 法院行政办公室 | 
                                    	
									| OCA | Obsessive Compulsive Anonymous | 强迫症匿名患者 | 
                                    	
									| OCA | Office of Chief Architect (GSA) | 首席建筑师办公室(GSA) | 
                                    	
									| OCA | Ontario Citizens Assembly | 安大略的市民大会 | 
                                    	
									| OCA | Organic Consumers Association | 有机消费者协会 | 
                                    	
									| OCA | Orbiter Communication Adapter | 轨道器通信适配器 | 
                                    	
									| OCA | Operational Control Authority | 运营控制机构 | 
                                    	
									| OCA | Operational Command Authority | 作战指挥权 | 
                                    	
									| OCA | Office Connect Analytics (IBM) | Office Connect分析(IBM) | 
                                    	
									| OCA | Operational Concept Approved | 运营概念已批准 | 
                                    	
									| OCA | Offsite Consequence Analysis | 场外后果分析 | 
                                    	
									| OCA | Ocean Reef Club, Florida USA | 美国佛罗里达州海洋礁俱乐部 | 
                                    	
									| OCA | Over Clocker\'s Addiction | 在Clocker的瘾 | 
                                    	
									| OCA | Oracle Certified Associate | Oracle 认证工程师 | 
                                    	
									| OCA | Office of Consumer Affairs | 消费者事务局 | 
                                    	
									| OCA | One\'s Complement Adder | 一补加法器 | 
                                    	
									| OCA | Obligation Cost Authority | 义务成本权限 | 
                                    	
									| oca | oral contraceptive agent | 口服避孕药 | 
                                    	
									| OCA | Orlando Culinary Academy | 奥兰多烹饪学院 | 
                                    	
									| OCA | Optical Channel Analyzer | 光信道分析仪 | 
                                    	
									| OCA | Operating Cost Authority | 作战费用权限 | 
                                    	
									| OCA | oculocutaneous albinism | 眼皮肤白化病 | 
                                    	
									| OCA | Originating Case Agency | 发起案件代理 | 
                                    	
									| OCA | Olympic Council of Asia | 亚洲奥林匹克理事会 | 
                                    	
									| OCA | Older Coloradans Act | 老年科罗拉多州法案 | 
                                    	
									| OCA | Oceanic Control Area | 海洋控制区 | 
                                    	
									| oca | ovarian cancer antigen | 卵巢癌抗原 | 
                                    	
									| OCA | Ohio Citizen Action | 俄亥俄州公民行动 | 
                                    	
									| OCA | Overlapping Claim Area | 重叠索赔区域 | 
                                    	
									| OCA | Optimized Cage Antenna | 优化笼型天线 | 
                                    	
									| OCA | Ontario College of Art | 安大略艺术学院 | 
                                    	
									| OCA | Owner Controlled Area | 业主控制区域 | 
                                    	
									| OCA | Outstate Calling Area | 州外呼叫区 | 
                                    	
									| OCA | Optimum Currency Area | 最佳货币区 | 
                                    	
									| OCA | Open Content Alliance | 开放内容联盟 | 
                                    	
									| OCA | Open Checking Account | 开立支票账户 | 
                                    	
									| OCA | Online Crash Analysis | 在线崩溃分析 | 
                                    	
									| OCA | Offensive Counter Air | 进攻性防空 | 
                                    	
									| OCA | On Call Allowance | 待命津贴 | 
                                    	
									| OCA | Officials Club Automobielsport (Dutch Club of Flag and Rescuemarshals for Automobile-Sports) | 官员俱乐部汽车运动(荷兰国旗和汽车运动救援队俱乐部) |