| CAT | catalogue | 样品目录 |
| CAT | Communications Authority of Thailand | 泰国电信局 |
| CAT | chloramphenicol acetyltransferase | 氯霉素乙酰转移酶 |
| CAT | computerized axial tomography | 电脑断层检查 |
| CAT | Computer Aided Testing | 计算机辅助测试 |
| CAT | Computer Aided Teaching | 计算机辅助教学 |
| CAT | Computer Aided Translation | 计算机辅助翻译 |
| CAT | Cable Antenna Television | 共享天线电视 |
| CAT | Certified Accounting Technician | 国际公认会计技师 |
| CAT | Carburetor Air Temperature | 汽化器空气温度 |
| CAT | Child's Apperception Test | 儿童知觉测验 |
| CAT | Clear Air Turbu-lence | 晴空大气湍流 |
| CAT | Compressed Air Tunnel | 压缩空气风洞 |
| CAT | Computer Automated Tester | 计算机自动测试机 |
| CAT | Computer of Average Transients | 平均瞬变过程计算机 |
| CAT | Catalytic Converter | 触酶转换器 |
| CAT | Capsule Ariane Technoloque | 阿里亚娜技术试验舱（凯特） |
| CAT | Computer Aided Typesetting | 计算机辅助排版 |
| CAT | Chloramphnicol acetyltransferase | 氯霉素乙酰转移酶基因 |
| CAT | Computer Aided Technology | 计算机辅助技术 |
| CAT | Computer Aided Tree | 计算机辅助树结构 |
| CAT | Computer Assisted Teleconferencing | 计算机辅助远程会议 |
| CAT | Canadian Association of Transplantation | 加拿大移植协会 |
| CAT | Climate Advisory Team (State of Washington) | 气候咨询小组（华盛顿州） |
| CAT | Combat Application Tourniquet | 战斗应用止血带 |
| CAT | Centro de Apoyo al Trabajador (Spanish: Worker Support Center) | Apoyo al-Trabajador中心（西班牙语：工人支持中心） |
| CAT | Cultural Algorithm Toolkit | 文化算法工具包 |
| CAT | Cable Avoidance Tool (used in construction) | 电缆避开工具（用于施工） |
| CAT | Cost, Access & Term (UK government standard for ISAs) | 成本、访问和术语(英国政府标准为“) |
| CAT | Communications Assistance Center | 通信协助中心 |
| CAT | Common Admission Test (India) | 普通入学考试（印度） |
| CAT | Cougars and Teaching (Washington collaborative project) | 美洲狮与教学（华盛顿合作项目） |
| CAT | Centre for Alternative Technology (Machynlleth, Wales, UK) | 替代技术中心（英国威尔士Machynlleth） |
| CAT | Central African Time (Gmt+0200) | 中非标准+ 0200) |
| CAT | Capital Area Transit (Raleigh, NC) | 首都地区交通（北卡罗来纳州罗利） |
| CAT | Catalytic Converter (automobiles) | 催化转化器（汽车） |
| CAT | Combat Aircraft Technology | 作战飞机技术 |
| CAT | Cities Area Transit (Grand Forks, ND & East Grand Forks, MN) | 城市区域交通(大叉、钕和东方大叉、锰) |
| CAT | Committee of Anaesthetists in Training of Sheffield | 谢菲尔德麻醉师培训委员会 |
| CAT | Cambridge Antibody Technology Group Plc | 剑桥抗体技术集团 |
| CAT | Carrier Access Tariff | 运营商准入电价 |
| CAT | Centro de Apoio e Tratamento (da ToxicodependÊncia, Portugal) | Centro de Apoio e Tratamento (da ToxicodependÊncia, Portugal) |
| CAT | Computer-Aided Tomography (less common; medical imaging; scan/scanning; now CT, Computed Tomography is preferred) | 计算机断层扫描(较少;医学成像扫描/扫描;现在,CT、断层者优先) |
| CAT | Clear Air Turbulence | 清洁空气湍流 |
| CAT | Catamaran | 双体船 |
| CAT | Catechism | 教义问答 |
| CAT | Computer-Aided Transcription | 计算机辅助转录 |
| CAT | Computer-Assisted Translation | 计算机辅助翻译 |
| CAT | Computer-Assisted Training | 计算机辅助训练 |
| CAT | Contractor Acceptance Test | 承包商验收测试 |
| CAT | Computer-Aided Teaching | 计算机辅助教学 |
| CAT | College of Advanced Technology | 先进技术学院 |
| CAT | California Achievement Test | 加州成就测试 |
| CAT | Cognitive Ability Test | 认知能力测试 |
| CAT | Computer Aided Test | 计算机辅助测试 |
| CAT | Computer-Aided Testing | 计算机辅助测试 |
| CAT | Central Analysis Team | 中心分析小组 |
| CAT | Cockpit Automation Technology | 座舱自动化技术 |
| CAT | Concatenate | 连接 |
| CAT | Crack Arrest Temperature | 止裂温度 |
| CAT | Combined Arms Team | 联合兵种小组 |
| CAT | Catastrophic | 灾难性的 |
| CAT | Catalase | 过氧化氢酶 |
| CAT | Child's Apperception Test | 儿童知觉测验 |
| CAT | Center for Appropriate Transport | 适当交通中心 |
| CAT | Covert Action Team | 隐蔽行动小组 |
| CAT | Computerized Adaptive Testing | 计算机自适应测试 |
| CAT | Charges, easy Access and fair Terms (UK) | 收费、方便访问和公平条款（英国） |
| CAT | Common Assessment Task | 共同评估任务 |
| CAT | Cost Analysis Tool | 成本分析工具 |
| CAT | Concord Area Transit (New Hampshire, USA) | 康科德地区运输公司（美国新罕布什尔州） |
| CAT | Central Artery-Tunnel (Boston Highway Construction Project) | 中央动脉隧道（波士顿公路建设项目） |
| CAT | Chaotic Atrial Tachycardia | 混乱性房性心动过速 |
| CAT | Coital Alignment Technique | Coital对齐技术 |
| CAT | Corrective Action Team | 纠正措施小组 |
| CAT | Cost Analysis Team | 成本分析小组 |
| CAT | Center for Advanced Technologies | 先进技术中心 |
| CAT | Community Action Team | 社区行动小组 |
| CAT | Computer Adaptive Test | 计算机自适应测试 |
| CAT | Context Awareness and Trust (International Workshop on Combining Context with Trust, Security and Privacy) | 环境意识和信任（关于将环境与信任、安全和隐私相结合的国际研讨会） |
| CAT | Customer Assistance Technology | 客户支持技术 |
| CAT | Critically Appraised Topic | 关键评估主题 |
| CAT | Compact Audio Technology | 紧凑型音频技术 |
| CAT | Catalyst | 催化剂 |
| CAT | Casual American Teenager | 休闲美国青少年 |
| CAT | Crisis Action Team | 危机行动小组 |
| CAT | Can't Answer That | 不能回答 |
| CAT | choline acetyltransferase | 胆碱乙酰转移酶 |
| CAT | College Ability Test | 大学能力测试 |
| CAT | Computer Assisted Tomography | 计算机辅助层析成像 |
| CAT | Catapult | 弹射器 |
| CAT | Computer-Assisted Testing | 计算机辅助测试 |
| CAT | Customer Acceptance Test | 客户验收测试 |
| CAT | Combining Context with Trust, Security and Privacy (workshop) | 将环境与信任、安全和隐私相结合（研讨会） |
| CAT | Cellular Action Team (Electronic Communications Service Provider committee) | 蜂窝行动小组（电子通信服务提供商委员会） |
| CAT | Category | 类别 |
| CAT | Caterpillar, Inc. | 卡特彼勒公司。 |
| CAT | Convention Against Torture (United Nations; see UNCAT) | 《禁止酷刑公约》（联合国；见UNCAT） |
| CAT | Computerized Axial Tomography (medical imaging technique; aka CT); now Computed Tomography) | 计算机轴向断层扫描（医学成像技术，又名CT）；现在是计算机断层扫描） |
| CAT | Catalog | 目录 |
| CAT | Combat Auto Theft | 打击汽车盗窃 |