1.European Monetary System
2.Express Mail Service
EMS
abbr.
1. =Emergency Medical Service 急救医疗(服务)
2. =Export Marketing Service (美国)(农业部)出口销售局
3. =Expanded Memory Specification 【电脑】延展内存规格
ems
abbr.
1. =expected mean squares 期望均方
EUROPEAN MONETARY SYSTEM