European Regional Innovation Survey欧洲的区域创新的调查 Escuela Regional de IngenierÍa Sanitaria, USACEscuela Regional de IngenierÍa Sanitaria, USAC Environmental Restoration Information System环境修复信息系统 Early Retirement Incentive Legislation提前退休的激励的立法 Exoatmospheric Reentry Vehicle Interceptor SystemExoatmospheric航天器拦截系统 Enforcement Revenue Information System税收管理信息系统实施 Exoatmoshperic Reentry Vehicle Interceptor SubsystemExoatmoshperic航天器拦截子系统 Emergency Response Information System (Nuclear Power)应急管理信息系统(核电) Economic Resource Impact Statement经济资源的影响 Electoral Reform International Services (UK)选举制度的改革国际服务(英国) Emerging Risk Information System新兴风险管理信息系统