Electronic Train Management System什么意思

Electronic Train Management System电子训练管理系统 Electronics Technician Maintenance School电子技术人员维修学校 Enterprise Trouble Management System (MCI WorldCom)企业麻烦管理系统(MCI世) Enhanced Traffic Management System提高交通管理系统 East Tipp Middle School (Lafayette, IN)东Tipp中学(拉) Eidgenössische Trugwild Meldestelle (German)Eidgenössische Trugwild Meldestelle (German) Electronic Territory Management System电子领土管理系统 Education and Training Management System (USAF)教育和培训管理系统(美国空军) Enterprise Trouble Management System企业麻烦的管理体系