| ADD | address | 地址 |
| ADD | Association for Democracy and Development in Central America | 中美洲争取民主与发展协会 |
| ADD | Automatic Document Distribution | 自动文献发行 |
| ADD | Accessibility and Dissemination of Data | 数据的可存取性与提供(联合国) |
| ADD | Automatic Direction Finder | 自动定向仪 |
| ADD | Attention Deficit Disorders | 注意力欠缺障碍 |
| ADD | addition | 加法 |
| ADD | Addis Ababa, Ethiopia - Bole (Airport Code) | 埃塞俄比亚亚的斯亚贝巴-博勒（机场代码） |
| ADD | Analog/Digital/Digital (audio CD format, recording/mixing/mastering) | 模拟/数字/数字(音频CD唱片/混音格式,掌握) |
| ADD | Acquisition Definition Document | 采购定义文件 |
| ADD | Ang Dating Daan (Philippine evangelical group) | Ang Dating Daan（菲律宾福音派团体） |
| ADD | Analog Data Decommutator | 模拟数据转换器 |
| ADD | At Deaths Door (Everquest Guild) | 在死亡之门（永恒任务公会） |
| ADD | Acoustic Drop Detect | 声降检测 |
| ADD | Ataturkcu Dusunce Dernegi (Turkish) | Ataturku Dusunce Dernegi（土耳其语） |
| ADD | Association pour le DÉveloppement Durable | Association pour le DÉveloppement Durable |
| ADD | Automated Dispensing Device (drug storage/dispensing) | 自动配药装置(药品储存/配制) |
| ADD | Average Drop Distance | 平均跌落距离 |
| ADD | Advertisement (slang, chiefly Australian) | 广告（俚语，主要是澳大利亚） |
| ADD | Air Defense District | 防空区 |
| ADD | Ageing & Disability Department | 衰老和残疾 |
| ADD | Attitude Determination Device | 姿态测定装置 |
| ADD | Authorized Development Deviation | 授权开发偏差 |
| ADD | Adapter Device Driver | 适配器设备驱动程序 |
| ADD | Action on Disability and Development | 残疾与发展行动 |
| ADD | Add/Drop Distributor (NEC) | 加退经销商(NEC) |
| ADD | Architecture Design and Development (University of Nairobi) | 建筑设计与开发（内罗毕大学） |
| ADD | Architecture Description Document | 体系结构描述文件 |
| ADD | Addis Ababa, Ethiopia | 埃塞俄比亚亚的斯亚贝巴 |
| ADD | Advanced Dumbass Disorder | 高级哑铃障碍 |
| ADD | Attribute Driven Design method | 属性驱动设计方法 |
| ADD | Adult Discipline Disorder | 成人纪律障碍 |
| ADD | Anatomically Directed Design | 解剖导向设计 |
| ADD | Additional Daddy Discipline | 额外的爸爸纪律 |
| ADD | A Dog's Dream | 一只狗的梦想 |
| ADD | Americans For Donald Duck | 美国人对唐老鸭 |
| ADD | Adapter Device Driver ( OS/2) | 适配器设备驱动(OS / 2) |
| ADD | Arithmetic Done Daily | 每日完成算术 |
| ADD | Adequate Discipline Deficiency | 足够的纪律缺陷 |
| ADD | Advanced Discipline Deficit | 高级学科缺陷 |
| ADD | Anti Drone Defense | 反无人机防御 |
| ADD | American Dream Disorder | 美国梦障碍 |
| ADD | Astral Destruction Dragon | 星际毁灭龙 |
| ADD | Apple Data Detectors | 苹果数据探测器 |
| ADD | AGP Digital Display | AGP数字显示器 |
| ADD | Advanced Dietary Delivery | 高级膳食输送 |
| ADD | Absence of Dad's Discipline | 没有爸爸的纪律 |
| ADD | Ain't Denyin Dysfunction | 不是Denyin障碍 |
| ADD | Average Daily Dose | 平均每日剂量 |
| ADD | Administration on Developmental Disabilities | 发育障碍管理 |
| ADD | Additional Driver Discovery | 其他驱动程序发现 |
| ADD | Advanced Dungeons and Dragons | 专家级龙与地下城系统 |
| ADD | Alphanumeric Display Device | 字母数字显示设备 |
| ADD | Actual Delivery Density (fire sprinklers) | 实际输送密度（消防喷头） |
| ADD | Army Digital Division | 陆军数字师 |
| ADD | Advanced Digital Design | 高级数字设计 |
| ADD | Acceleration Driven Damping | 加速度驱动阻尼 |
| ADD | Architectural Definition Document | 体系结构定义文件 |
| ADD | Assistant District Director | 助理区长 |
| ADD | American Dialect Dictionary | 美国方言词典 |
| ADD | Acoustic Deception Device | 声学欺骗装置 |
| ADD | Ang Dating Daan (Tagalog: The Old Path; Philippines religious TV show) | Ang Dating Daan（菲律宾宗教电视剧《塔加洛语：旧路》） |
| ADD | Army Data Dictionary | 陆军数据字典 |
| ADD | Accumulated Degree Days (forensics decomposition rates) | 累计学位天数（取证分解率） |
| ADD | American Dream Denial (System Of A Down song) | 《美国梦否认》（The System Of A Down song） |
| ADD | Authorized Digital Dealers | 授权数字经销商 |
| ADD | Autonomous Dynamics Determination | 自主动力学测定 |
| ADD | Authorized Derivative Declassifier | 授权衍生工具解密器 |
| ADD | Another Dating Disaster (Sex & the City TV show) | 另一个约会灾难(性与城市的电视节目) |
| ADD | Agriculture et DÉveloppement Durable | Agriculture et DÉveloppement Durable |
| ADD | Accidental Death or Dismemberment | 意外死亡或伤残 |
| ADD | Athlete Development Director | 运动员发展总监 |
| ADD | assign on-line diagnostic (US DoD) | 分配在线诊断（美国国防部） |
| ADD | Added Power for Near Vision | 增强近视力的能力 |
| ADD | Area Development District | 区域开发区 |
| ADD | Alcohol and Drug Dependency | 酒精和药物依赖 |
| ADD | Arctic Environment Data Directory | 北极环境数据目录 |
| ADD | Adduction | 添加 |
| ADD | Agency For Defense Development | 国防发展局 |
| ADD | accidental death and dismemberment insurance | 意外死亡和肢解保险 |
| ADD | attention deficient disorder | 注意力缺陷障碍 |
| ADD | Audit and Due Diligence | 审计和尽职调查 |
| ADD | androstane-dione | 雄甾烷二酮 |
| ADD | androstanedienedione | 雄甾二酮 |
| ADD | Anti-Dumping Duty | 反倾销税 |
| ADD | Adduct | 加合物 |
| ADD | Addiction | 上瘾 |
| ADD | Attention Deficit Disorder | 注意缺陷障碍 |
| ADD | Architecture Detail Document | 架构（Architecture）详细文档 |
| ADD | Acceptable Deferred Defect (aviation) | 可接受的延期缺陷（航空） |
| ADD | Agricultural Development Division | 农业发展部 |
| ADD | Automated Design and Documentation | 自动化设计和文档 |
| ADD | Airstream Direction Detector (measures Angle of Attack) | 气流方向探测器（测量攻角） |
| ADD | Aerosol Dispensers Directive (EU) | 气雾剂分配器指令（EU） |
| ADD | Algebraic Decision Diagram | 代数决策图 |
| ADD | Architectural Design Document | 建筑设计文件 |
| ADD | Americans with Disabilities Decisions | 美国残疾人决策 |
| ADD | Abbott Diagnostic Division | 雅培诊断部 |