Interrupt Mask Register中断屏蔽寄存器 Institute for Materials Research学院为材料的研究 Input Message Review输入信息审查 Interest Maintenance Reserve利益维护储备 International Medical Recruitment国际医学人才 Individual Medical Readiness个人医疗做准备 Isthmian Medical ResearchIsthmian医学研究 Independent Medical Reviewers独立的医疗监察员 Individual Medical Record个人健康证,个人病历 Infant Mortality Rate婴儿死亡率 Ideo Motor Response视频电机的反应 InterModulation Ratio互调比 Internet Monthly Report因特网报告(月刊), 因特网月报 Industrial Mobile Robotics工业移动机器人 Inspection, Maintenance and Replacement (American Petroleum Institute)检查、维修和更换(美国石油学院)