| TAC | Access Time form CLK | 存取时间 |
| TAC | Tactical Air Control | 战术空军控制 |
| TAC | TOTAL ALLOWABLE CATCHES | 总的可捕数量 |
| TAC | Thermostatic Air Cleaner | 温控空气滤清器 |
| TAC | Tactical Air Command | 战术空军司令部 |
| TAC | Telecommunication Association Council | 电信协会理事会 |
| TAC | Transportation Association of Canada | 加拿大运输协会 |
| TAC | Teleconferencing Association of Canada | 加拿大电信会议协会 |
| TAC | Trauma Association of Canada | 加拿大创伤协会 |
| TAC | Traffic Acquisition Cost | 交通获取成本 |
| TAC | Total Accumulated Cycles | 总累计周期 |
| TAC | Three Address Code | 三个地址代码 |
| TAC | Tactic/Tactics/Tactical | 战术/策略/战术 |
| TAC | Totally Awesome Computers (retailer; Salt Lake City, UT, USA) | 非常棒的电脑(零售商;美国犹他州盐湖城) |
| TAC | Technology Assessment Center | 技术评估中心 |
| TAC | Technical Assistance Center | 技术援助中心 |
| TAC | Total Access Communication System | 全接入通信系统 |
| TAC | Technical Activities Committee | 技术活动委员会 |
| TAC | Transport Accident Commission (Australian government car accident insurance) | 交通事故委员会(澳大利亚政府汽车事故保险) |
| TAC | Tactical | 战术 |
| TAC | Telescope Allocation Committee | 望远镜分配委员会 |
| TAC | Telemetry and Command (processor) | 遥测和命令(处理器) |
| TAC | Traffic Acquisition Cost (websites, advertising) | 流量获取成本(网站、广告) |
| TAC | The Aleut Corporation | 阿留特公司 |
| TAC | Triamcinolone Acetonide | 曲安奈德 |
| TAC | Tarsus American College | 塔萨斯美国学院 |
| TAC | Target Analysis Center | 目标分析中心 |
| TAC | Terminal Area Chart | 航站楼面积图 |
| TAC | Total Allowable Catch | 总允许捕获量 |
| TAC | Terms and Conditions | 条款和条件 |
| TAC | Terminal Access Controller | 终端访问控制器 |
| TAC | Tactical Aviation Center | 战术航空中心 |
| TAC | Teen Activity Center | 青少年活动中心 |
| TAC | Tourism Advisory Committee | 旅游咨询委员会 |
| TAC | Type of Address Code | 地址代码类型 |
| TAC | Telecommunications Advisory Committee | 电讯咨询委员会 |
| TAC | tricarboxylic acid cycle | 三羧酸循环 |
| TAC | Thermoplasma Acidophilum | 嗜酸热浆菌 |
| TAC | Traditional Anglican Communion | 传统圣公会圣餐 |
| TAC | Tactical Air Controller | 战术空中控制员 |
| TAC | Transaction Code | 交易记录代码 |
| TAC | Teacher Advisor Contact (Pius XI High School, Milwaukee, WI) | 教师顾问联系人(威斯康星州密尔沃基市庇护XI高中) |
| TAC | Team Aerial Combat (gaming) | 团队空战(游戏) |
| TAC | Transatlantic Council (Boy Scouts of America Council for Europe, North Africa and the Near East) | 跨大西洋委员会(美国童子军欧洲、北非和近东委员会) |
| TAC | TRADOC Acquisition Center | TRADOC采办中心 |
| TAC | Technical Advisory Center (Sprint) | 技术咨询中心(Sprint) |
| TAC | Total Aerobic Count | 总需氧量 |
| TAC | Type Allocation Code (telecommunications) | 类型分配代码(电信) |
| TAC | Triple Antibiotic Cream | 三联抗生素霜 |
| TAC | Targeted Amortization Class (bonds) | 目标摊销类别(债券) |
| TAC | Transfer At Cost | 按成本转移 |
| TAC | Tactical Manual | 战术手册 |
| TAC | Tribunal de l'Aviation Civile du Canada (Civil Aviation Tribunal) | 法庭'Aviation de fixation Civile嘟加拿大(民航法庭) |
| TAC | Texas Antiquities Code | 德克萨斯州文物法规 |
| TAC | Terminal Attack Control | 终端攻击控制 |
| TAC | Texas Air Composites, Inc (Cedar Hill, TX) | 德克萨斯州航空复合材料公司(德克萨斯州雪松山) |
| TAC | Tactical Air Commander | 战术空中指挥官 |
| TAC | Toxic Air Contaminant | 有毒空气污染物 |
| TAC | Tactical Air Command (USAF; now Air Combat Command) | 战术空军司令部(USAF;现为空战司令部) |
| TAC | Terminal Access Control | 终端访问控制 |
| TAC | Tour Andover Controls | 巡视Andover控件 |
| TAC | Terminal-Aggregator Communication | 终端聚合器通信 |
| TAC | TELUS Advanced Communications (Canadian business) | TELUS高级通信(加拿大业务) |
| TAC | Technical Advisory Committee | 技术咨询委员会 |
| TAC | Terminal Action Code(s) | 终端操作代码 |
| TAC | Treaty of Amity and Cooperation | 友好合作条约 |
| TAC | Time At Completion | 竣工时间 |
| TAC | Thrust Asymmetry Compensation (Boeing) | 推力不对称补偿(波音) |
| TAC | Transnational Auditors Committee | 跨国审计师委员会 |
| TAC | Test Analysis Controller | 测试分析控制器 |
| TAC | Technology Accreditation Commission (ABET) | 技术认证委员会(ABET) |
| TAC | Texas Administrative Code | 德克萨斯州行政法规 |
| TAC | Training Accreditation Council (Western Australia) | 培训认证委员会(西澳大利亚) |
| TAC | Terminal Agency Coordinator | 终端机构协调员 |
| TAC | Third Amended Complaint (legal) | 第三次修订投诉(法律) |
| TAC | Turn Around Crew (airlines ramp agent) | 掉头机组(航空公司停机坪代理) |
| TAC | Telecommuting Advisory Council | 远程办公咨询委员会 |
| TAC | Technical Advisory Council (Ascend, Cisco, Ericsson, Lucent, Nortel, Selsius, etc) | 技术咨询委员会(Ascend、Cisco、Ericsson、Lucent、Nortel、Selsius等) |
| TAC | Transparent Auto-Compilation | 透明自动编译 |
| TAC | Target Acquisition Console | 目标采集控制台 |
| TAC | Tauranga Aero Club (New Zealand) | 陶兰加航空俱乐部(新西兰) |
| TAC | Total Area Coverage (printing; ink/color management) | 总建筑面积范围(印刷油墨/颜色管理) |
| TAC | Theoretical Astrophysics Center (Copenhagen, Denmark) | 理论天体物理中心(丹麦哥本哈根) |
| TAC | Throttle Actuator Control (General Motors) | 节气门执行器控制(通用汽车) |
| TAC | Tomografia Axial Computorizada | Tomografia轴向计算 |
| TAC | Translator-Assembler-Compiler | 转换器汇编程序编译器 |
| TAC | Technical Acceptance Certificate (Canada) | 技术验收证书(加拿大) |
| TAC | Trademark Assistance Center | 商标援助中心 |
| TAC | Transatlantic Programs Center (USACE) | 跨大西洋计划中心(USACE) |
| TAC | Tactical Analysis Center | 战术分析中心 |
| TAC | Transportation Allowance Committee | 交通津贴委员会 |
| TAC | Trigeminal Autonomic Cephalgia (headache) | 三叉神经自主性头痛(头痛) |
| TAC | Traffic Advisory Committee | 交通咨询委员会 |
| TAC | Time to Amplitude Converter | 时间振幅转换器 |
| TAC | Type of Activity Code | 活动代码类型 |
| TAC | Tacrolimus | 他克莫司 |
| TAC | Training Access Center | 培训访问中心 |
| TAC | Technical Assistance Coordinator | 技术援助协调员 |
| TAC | Tactical Air Coordinator | 战术空中协调员 |