| SEM | Scanning electron microscope | 扫描电子显微镜 |
| SEM | spherical environment mapping | 球形环境映射 |
| SEM | Seminary | 神学院, 学校, 学院, 发源地 |
| SEM | semicarbazide | 氨基脲 |
| SEM | Search Engine Marketing | 搜索引擎营销 |
| SEM | Societe Des Establissements Modernes | 现代房地产协会 |
| SEM | Senior Engineering Manager | 高级工程经理 |
| SEM | Systems Engineering Management | 系统工程管理 |
| SEM | Subsea Electronics Module | 海底电子模块 |
| SEM | Software Engineering and Middleware | 软件工程与中间件 |
| SEM | System Engineering Methodology | 系统工程方法 |
| SEM | Search-Engine Marketing | 搜索引擎营销 |
| SEM | Specification Exception Material | 规范例外材料 |
| SEM | Sports & Entertainment Marketing | 运动和娱乐市场 |
| SEM | Standard Error of the Means | 平均值的标准误差 |
| SEM | System Engineering Manual | 系统工程手册 |
| SEM | Site Engineering and Maintenance (Department) | 现场工程和维护（部门） |
| SEM | SQL Enterprise Manager (Microsoft client for SQL Server) | SQL Enterprise Manager（用于SQL Server的Microsoft客户端） |
| SEM | Spectral Element Method | 光谱元素法 |
| SEM | Services Execution Management | 服务执行管理 |
| SEM | Society for Experimental Mechanics, Inc. | 实验力学学会。 |
| SEM | Space Experiment Module | 空间实验模块 |
| SEM | Standard Extrapolation Method | 标准外推法 |
| SEM | Society for Experimental Methods | 实验方法学会 |
| SEM | Evangelical Seminary of Madrid | 马德里福音神学院 |
| SEM | Strategic Environmental Management | 战略环境管理 |
| SEM | Simulation, Engineering, and Modeling | 仿真、工程和建模 |
| SEM | Synchronization Element Manager (Datum) | 同步元素管理器（基准） |
| SEM | Sound and Efficient Management (EU) | 健全高效的管理（欧盟） |
| SEM | Standard Equipment Modules | 标准设备模块 |
| SEM | Spherical Earth Model | 球形地球模型 |
| SEM | Sensitivity Equation Method | 灵敏度方程法 |
| SEM | System Engineering and Modeling | 系统工程与建模 |
| SEM | Synthetic Execution Model | 综合执行模型 |
| SEM | Slow Eye Movements | 缓慢的眼球运动 |
| SEM | Solar Environmental Monitor | 太阳能环境监测器 |
| SEM | Standard Electronic/Equipment Module | 标准的电子/设备模块 |
| SEM | Singularity Expansion Method | 奇点展开法 |
| SEM | Softcopy Exploitation Management | 软拷贝开发管理 |
| SEM | Service Element Management (Sprint) | 服务要素管理（Sprint） |
| SEM | Systems Engineering Manager | 系统工程经理 |
| SEM | General Semiconductor, Inc. | 通用半导体公司。 |
| SEM | Special End And Middle | 特殊末端和中间 |
| SEM | Spec Epics Motors | 规范Epics电机 |
| SEM | Synthesis Enterprise Manager | 综合企业经理 |
| SEM | Semen, Seminal | 精液，精 |
| SEM | Sexually Explicit Material | 性显式材料 |
| SEM | Synthesizer Expander Module | 合成器扩展器模块 |
| SEM | Science, Engineering, and Mathematics | 科学、工程和数学 |
| SEM | SEMester | 学期 |
| SEM | SmartStream Encryption Modulator | SmartStream加密调制器 |
| SEM | Society for Experimental Mechanics | 实验力学学会 |
| SEM | Solvent Extractable Material | 溶剂可萃取材料 |
| SEM | Smooth Eye Movements | 流畅的眼部运动 |
| SEM | Semitic - Other | 闪米特语-其他 |
| SEM | Structural Equation Models | 结构方程模型 |
| SEM | Sound And Efficient Management | 健全高效的管理 |
| SEM | Systematic Evaluation Of Members | 成员的系统评估 |
| SEM | Search Engine Marketer | 搜索引擎营销人员 |
| SEM | State Event Machines | 状态事件计算机 |
| SEM | Scanning Electron Microscopy | 扫描电子显微镜 |
| SEM | Space Environment Monitor | 空间环境监测器 |
| SEM | Strategic Enterprise Management | 战略企业管理 |
| SEM | Structural Equation Modeling | 结构方程建模 |
| SEM | Standard Error of Mean | 平均值标准误差 |
| SEM | Security Event Management | 安全事件管理 |
| SEM | Semitic | 闪米特语的 |
| SEM | Schoolwide Enrichment Model | 学校范围内的丰富模式 |
| SEM | Society for Ethnomusicology | 民族音乐学会 |
| SEM | Secure Ethernet Multiplexer | 安全以太网多路复用器 |
| SEM | Strategic Enrollment Management | 战略招生管理 |
| SEM | Science and Engineering of Materials | 材料科学与工程 |
| SEM | Security Event Manager | 安全事件管理器 |
| SEM | Saccadic Eye Movement | Saccadic眼球运动 |
| SEM | School of Economics and Management | 经济与管理学院 |
| SEM | Survivability Evaluation Methodology | 生存能力评估方法 |
| SEM | Scheduled Event Management (Sprint) | 计划事件管理（Sprint） |
| SEM | Single-Ended Mode | 单端模式 |
| SEM | Secondary Emission Monitor | 辅助排放监测器 |
| SEM | SociÉtÉ d'Économie Mixte | SociÉtÉ d'Économie Mixte |
| SEM | Security Engineered Machinery | 安全工程机械 |
| SEM | systolic ejection murmur (cardiology) | 收缩期射血杂音（心脏病学） |
| SEM | Socially and Emotionally Maladjusted | 社交和情感失调 |
| SEM | Supplier Engineering Memo | 供应商工程备忘录 |
| SEM | Storm Electrification Model | 风暴电气化模型 |
| SEM | Stock Exchange of Mauritius Ltd | 毛里求斯证券交易所有限公司 |
| SEM | Station Emulation Mode | 工作站仿真模式 |
| SEM | space environmental monitor | 空间环境监测器 |
| SEM | smoke exposure machine | 烟雾暴露机 |
| SEM | Single European Market | 单一欧洲市场 |
| SEM | secondary enrichment medium | 二次富集介质 |
| SEM | Secondary Electron Multiplier | 二次电子倍增器 |
| SEM | shadow electron microscope | 影子电子显微镜 |
| SEM | slow eye movement | 缓慢的眼球运动 |
| SEM | sweep electron microscope | 扫描电子显微镜 |
| SEM | scanning electron micrograph | 扫描电子显微照片 |
| SEM | Systolic Ejection Murmur | 收缩射血杂音 |
| SEM | Someone Else's Money | 别人的钱 |
| SEM | Stock Exchange of Mauritius | 毛里求斯证券交易所 |