| 序号 | 英文 | 音标 | 词性 | 中文 |
| | AIGS | | | =All Inertial Guidance System 全惯性制导系统 |
| | AIH | | abbr. | artificial insemination by husband配偶人工授精 |
| | AIHA | | | =American Industrial Hygiene Association 美国工业卫生协会 |
| | AIHC | | | =American Industrial Health Council 美国工业卫生委员会 |
| | AIIE | | abbr. | American Institute of Industrial Engineers 美国工业工程师协会 |
| | AILAS | | | =Automatic Instrument Landing Approach System 自动仪表着陆进场系统 |
| | AIM | | | =Aerial (Air) Intercept Missile 航空[空中]拦截导弹 |
| | AIMME | | | =American Institute of Mining and Metallurgical Engineers 美国采矿与冶金工程师协会 |
| | AIMMPE | | | =American Institute of Mining, Metallurgical and Petrolium Engineers 美国矿冶石油工程师学会 |
| | AIP | | | =American Institute of Physics 美国物理学会 |
| | AIPE | | | =American Institute of Plant Engineers 美国工厂设备工程师学会 |
| | AIPS | | abbr. | [军] Advanced Integrated Power System, 先进综合动力系统 |
| | AIRBM | | | =Anti-Intermediate Range Ballistic Missile 反中程弹道导弹 |
| | AIRS | | | =Airborne Integrated Reconnaissance System 机载综合侦察系统 |
| | AIS | | | =Accounting Information System 会计情报系统 |
| | AISC | | | =American Institute of Steel Construction 美国钢结构学会 |
| | AISE | | | =Association of Iron and Steel Engineers 钢铁工程师协会[美] |
| | AISI | | | =American Iron and Steel Institute 美国钢铁学会 |
| | AITA | | | =Air Industries and Transports Association航空工业与运输协会 |
| | AIWA | | n. | 日本爱华公司 |
| | AIWM | | | =American Institute of Weights and Measures 美国度量衡学会 |
| | AIX | | abbr. | [计] Advanced Interactive Executive 高级交互执行体 |
| | AJA | | abbr. | Americans of Japanese ancestry 日裔美国人 |
| | AJC | | abbr. | Australian Jockey Club 澳大利亚赛马俱乐部 |
| | AK | | | 美国阿拉斯加邮递区号 |
| | AL | | | =Accommodation Ladder 舷梯 |
| | ALA | | | =American Library Association 美国图书馆协会 |
| | ALAP | | | As Low As Possible 尽量低, 尽可能低 |
| | ALBM | | abbr. | air-launched ballistic missile 空中发射的弹道导弹 |
| | ALC | | | =Adaptive Logic Circuit 自适应逻辑电路 |
| | ALCA | | | =American Leather Chemists' Association 美国皮革化学家协会 |
| | ALCAN | | | =Aluminium Company of Canada 加拿大铝业公司 |
| | ALCC | | | =Airborne Launch Control Centre 空中发射控制中心 |
| | ALCM | | abbr. | air-launched cruise missile 空中发射的巡航导弹 |
| | ALCOA | | abbr. | Aluminum Company of America 美国铝公司 |
| | ALCOM | | | =Algebraic Compiler 代数编译程序 |
| | ALDP | | | =Automatic Language Data Processing自动语言数据处理 |
| | ALERT | | | =Alcohol Level Evaluation Roadside Test 路边酒精浓度鉴定试验(防止司机酒后驾车的测试系统) |
| | ALFA | | | =Air Lubricated Free Attitude 空气润滑的自由位置 |
| | ALFC | | | =Automatic Load Frequency Control 自动装入频率控制 |
| | ALG | | | =Antilymphocyte Globulin 抗淋巴球球蛋白 |
| | ALGOL | `AlgCl | | [计]Algol算法语言(Algorithmic Language的缩写) |
| | ALH | | | =Advanced Light Helicopter 高级轻型直升飞机 |
| | ALIT | | | =Automatic Line Insulation Tester 自动线路绝缘测试装置 |
| | ALPS | | | =Advanced Linear Programming System 高级线性规划系统 |
| | ALPURCOMS | | | =All-Purpose Communications System (美国军用)全能通信系统 |
| | ALR | | | =America Law Reports 《美国法律报告》(期刊) |
| | ALS | | | =Aircraft (Automatic) Landing System 飞机(自动)着陆系统 |
| | ALSOR | | | =Air Launched Sounding Rocket 空中发射的探测火箭 |
| | ALT. | | | (=altitude)高度,海拔 |
| | ALTAC | | | =Algebraic Translator and Compiler 代数翻译程序与编译程序 |
| | ALTARE | | | =Automatic Logic Testing and Recording Equipment 自动化逻辑测试及记录设备 |
| | ALTRAN | | | =Algebraic Translator 代数翻译器 |
| | ALTREC | | | =Automatic Life Testing and Recording of Electronic Components 自动化电子器件寿命测试与记录 |
| | ALU | | | 运算器 |
| | AM | | abbr. | 调幅 (amplitude modulation) |
| | AM field signature | | | [电子]交变磁场特性图案 |
| | AM modulation meter | | | 调幅度测量仪 |
| | AM threshold | | | 调辐阈 |
| | AMA | `B:mB: | abbr.；abbr. | abbr. American Medical Association 美国医药协会；abbr. 澳大利亚医学协会 |
| | AMC | | abbr. | [军] Army Material Command, 陆军装备司令部 |
| | AMCA | | | =Air Moving and Conditioning (Control)Association空气流动与调节(控制)协会[美] |
| | AMCEE | | | =Association for Mediabased Continuing Education for Engineers 工程师进修教育协会[美] |
| | AMCS | | | =Airborne Missile Control System 机载导弹控制系统 |
| | AMD | | | 美国AMD公司,主要生产计算机的CPU芯片 |
| | AMDG | | abbr. | <拉> ad majorem Dei gloriam(天主教耶稣会箴言)为了天主的更大荣耀(=to the greater glory of God) |
| | AMDSB | | | =Amplitude Modulation Double Side Band 双边带调幅 |
| | AMEE | | | =Admiralty Marine Engineering Establishment 海军部海洋工程研究[英] |
| | AMEL | | | =Aero-Medical Equipment Laboratory 航空医疗设备实验室[美] |
| | AMEME | | | =Association of Mining Electrical and Mechanical Engineers 矿业、电气与机械工程师协会[英] |
| | AMER | | | =American Economic Review 《美国经济评论》(期刊) |
| | AMF | | abbr. | [军] Allied Mobile Force, 盟军机动部队 |
| | AMFIS | | | =American Micro film Information System 美国缩微胶卷情报系统 |
| | AMG | | abbr. | Allied Military Government(第二次世界大战盟军占领区的)盟国军政府 |
| | AMHS | | | =American Material Handling Society 美国物料搬运学会 |
| | AMI | | | =Advanced Material Information 高级材料情报([美]SAE发表的系列出版物) |
| | AMIC | | | =Aerospace Materials Information Center 航天材料情报中心([美]AFML和Dayton大学) |
| | AMIChemE | | abbr. | Associate Member of the Institutionof Chemical Engineers(英国)化学工程学会准会员 |
| | AMIMechE | | | A. M. I. Mech. E. , abbr.Associate Member of the Institution ofMechanical Engineers(英国)机械工程师学会准会员 |
| | AMINCO | | | =American Instrument Company 美国仪器公司 |
| | AMIS | | | =Agricultural Management Information System 农业管理信息系统 |
| | AML | | | =Aeronautical Materials Laboratory 航空材料实验室 |
| | AMM | | abbr. | antimissile missile 反导弹导弹 |
| | AMOCO | | abbr. | American Oil Company 美国石油公司 |
| | AMOS | | | =Acoustic Meteorological Oceanographic Survey 海洋气象声学探测 |
| | AMPA | | | =Agricultural Machinery Parts Association 农机零件协会[英] |
| | AMPAS | | | =Academy of Motion Picture Arts and Sciences 电影艺术和科学研究院[美] |
| | AMPS | | | 高级移动电话服务 |
| | AMS | | abbr. | [军] Americam Military Standard, 美军标准 |
| | AMSA | | | =Advanced Manned Strategic Aircraft高级有人驾驶战略飞机 |
| | AMSAM | | | =Anti-Missile Surface-to-Air Missile 地对空反导弹导弹 |
| | AMSSB | | | =Amplitude Modulation, Single Side-Band 单边带调幅 |
| | AMTBA | | | =American Machine-tool Builders' Association 美国机床制造商协会 |
| | AMTEC | | | =Automatic Time Element Compensator自动延时补偿器 |
| | AMTRAN | | | =Automatic Mathematical Translator自动数学翻译机 |
| | AMU | | | =Antenna Matching Unit 天线匹配器 |
| | AMX | | | [军] 意大利、巴西联合研制的单座单发超音速轻型攻击机 |
| | AMidah | | n. | 犹太教的一种礼拜仪式 |
| | AMish | `B:mIF | n.；adj. | n. [基督教]门诺(Mennon)派中的严紧派；adj. [基督教]门诺(Mennon)派中的严紧派 |
| | AMon | `B:mEn | n. | 阿门(祷告语), 阿蒙神(古埃及之神,司生活与生殖) |
| | AMor | | n. | 爱神丘比特 |