| PD | Planning Director | 企划指导 |
| PD | Passport Diplomatique | 外交护照 |
| PD | Public Domain program | 公益软件 |
| PD | Preliminary Design | 初步设计 |
| PD | Product Department | 生产部 |
| PD | Palladium | 钯（化学元素） |
| PD | paid | 已付 |
| PD | paid | 付讫,已付 |
| PD | pulse duration | 脉波持续时间,脉波宽度 |
| PD | Phase Change Rewritable Optical Disk Drive | 相变式可重复擦写光盘驱动器 |
| PD | Physical Disk | 物理硬盘 |
| PD | Port Detection | 端口检测 |
| PD | progressive Disease | 病情进展 |
| PD | Piece Dyed | 匹染 |
| PD | photodiode | 光电二极管 |
| PD | Pulse Driver | 脉冲驱动器 |
| PD | Pulse Doppler | 多普勒脉冲 |
| PD | Pulley-Drive | 皮带轮传动 |
| PD | Project Document | 计划文件 |
| PD | Prism Diopter | 棱镜照准仪，棱镜屈光度 |
| PD | Potential Difference | 电位差，势差 |
| PD | parkinson's disease | 帕金森氏病 |
| PD | Protective Devices | 保护装置 |
| PD | Plasma Desorption | 等离子体解吸 |
| PD | PRESSURE DIFFERENTIAL | 压差 |
| PD | Petroleum Division (American Society of Mechanical Engineers) | 石油部（美国机械工程师协会） |
| PD | pediatrics | 儿科学 |
| PD | Position Description | 职位描述 |
| PD | Pancreatic Duct | 胰腺导管 |
| PD | Pen Down | 笔向下移动 |
| PD | Personality Disorder | 人格障碍 |
| PD | PlanetDescent (website devoted to Descent video game) | PlanetDescent（致力于下降视频游戏的网站） |
| PD | Personal Development | 个人发展 |
| PD | Probability of Default | 违约概率 |
| PD | Packetization Delay | 打包延迟 |
| PD | Process Data | 过程数据 |
| PD | Party of Democrats (San Marino) | 民主党（圣马力诺） |
| PD | Point of Departure | 出发点 |
| PD | Placename Database | 地名数据库 |
| PD | Propagation Delay | 传播延迟 |
| PD | Product Development | 产品开发 |
| PD | Proposed Document (review process) | 拟定文件（审查过程） |
| PD | Proportional Derivative | 比例导数 |
| PD | Peritoneal Dialysis | 腹膜透析 |
| PD | Prevent Defense | 防止防御 |
| PD | Power Divider | 功率分配器 |
| PD | Physical Distribution | 物理分布 |
| PD | Panic Disorder | 惊恐障碍 |
| PD | Presidential Determination | 总统的决心 |
| PD | Power Distributor | 电源分配器 |
| PD | Pullorum Disease (Chicken Salmonellosis) | 鸡白痢（鸡沙门氏菌病） |
| PD | Priority Designator | 优先级指示符 |
| PD | Profile Descent (aviation) | 剖面下降（航空） |
| PD | Program Document | 项目文件 |
| PD | PURiTY-DivX (EFnet mirc channel) | PURiTY DivX（EFnet镜像频道） |
| PD | Past Due | 过期 |
| PD | Point Dipole | 点偶极子 |
| PD | Postural Drainage (respiratory physiotherapy) | 体位引流（呼吸理疗） |
| PD | Presidential Decision | 总统决定 |
| PD | Precedence Diagram | 优先顺序图 |
| PD | Pathogen Density | 病原体密度 |
| PD | Polydypsia | Polydypsia公司 |
| PD | Phase Change Dual-Layer (optical media format) | 相变双层（光学介质格式） |
| PD | Proposed Draft | 拟议草案 |
| PD | Powerdrive (drilling) | 动力传动（钻井） |
| PD | Padova (Veneto, Italy) | 帕多瓦（意大利威尼托） |
| PD | Public Diplomacy | 公共外交 |
| PD | Policy Development | 政策制定 |
| PD | Product Data | 产品数据 |
| PD | Power Dissipation | 功耗 |
| PD | Personality Development | 个性发展 |
| PD | Play Dead | 播放Dead |
| PD | Phase Detector | 相位检测器 |
| PD | Permeability Distribution | 渗透率分布 |
| PD | Pharmacodynamic | 药效学 |
| PD | Privatdozent | 私有化 |
| PD | Palmtop Device | 掌上型设备 |
| PD | Power Device | 电源设备 |
| PD | Partial Discharge | 局部放电 |
| PD | Periodontal Disease | 牙周病 |
| PD | paralyzing dose | 麻痹剂量 |
| PD | Periscope Depth | 潜望镜深度 |
| PD | paralytic dose | 麻痹剂量 |
| PD | Probability of Detection | 检测概率 |
| PD | postnasal drainage | 鼻后引流 |
| PD | Protection Domain | 保护域 |
| PD | Positive Definite | 正定 |
| PD | Purchasing Department | 采购部 |
| PD | Dissipated Power | 耗散功率 |
| PD | Power Distribution | 配电 |
| PD | Per Diem | 每日津贴 |
| PD | Parkinson's Disease | 帕金森氏病 |
| PD | Permanent Disability | 永久性残疾 |
| PD | Police Department | 警察局 |
| PD | Public Domain | 公共域 |
| PD | Project Director | 项目负责人 |
| PD | Professional Development | 专业发展 |
| PD | Public Defender | 公设辩护人 |
| PD | Problem Determination | 问题的确定 |
| PD | Procurement Department | 采购部 |