Economic Development and Training Center经济发展和培训中心 Extended Diagnostic and Treatment Center扩展的诊断和治疗中心 Easton Democratic Town Committee (Easton, CT)伊顿民主镇委员会(伊顿、CT) Emergency Duty Training Centre (Canada)紧急任务训练中心(加拿大) European Diving Technical Committee欧洲的潜水技术委员会委员 Efficient Dominance Tree Construction (algorithm)高效的优势木建筑(算法) European Design and Test Conference欧洲的设计和测试会议 Educational Technology教育工艺学 Electronic Desk Top Computer电子桌上电脑 Emergency Department Trauma Center急诊部门创伤中心 European Development and Technology Center (Dublin, Ireland)欧洲的发展和技术中心(爱尔兰的都柏林) El Dorado Transportation Corp.运输公司黄金城 Electronic Depository Transfer Checks电子存款转移的支票 Education Development and Technology Center教育的发展和科技中心 Economic Development and Tourism Corporation (Fort Erie, Ontario, Canada)经济发展和旅游总公司(堡垒伊利加拿大安大略省)