Electron Microscope-Microprobe Analyzer电子显微镜与微探针分析仪 Electronic Manufacturing Manual电子（仪器）制造手册 Electronic Mathematic Model-Analogue电子数学模拟模型 electron microscopy and microanalysis　 Eye Movement Measuring Apparatus眼运动测量仪 European Mouse Mutant Archive欧洲的老鼠突变的档案 End-Member Mixing Analysis寄主混合分析 Ethnic Multicultural Media Award民族文化传媒奖 Enhanced Multi-Media Architecture提高多媒体的建筑 Electro-Magnetic Mass Accelerator电磁质量的加速器 Euclidean Model MAtching欧氏空间模型匹配 Engineering Mockup and Manufacturing Assembly (US Navy)工程安装和制造装配(美国) Electron Microscopy and Micro-Analysis电镜和微观分析 East Meadow Materials Area东部地区草地材料 Explosives Munitions Manufacturing Area炸药生产区域军需品