Flexible Engine Diagnostic System (Us Army Aviation)灵活的发动机故障诊断系统(美国陆军航空) Federal Disposal System联邦处理系统 Field Education and Development Specialist (State Farm)教育和发展领域的专家(州农场) Front End Data System前端数据系统 Federal Employment Data Service联邦就业数据服务 Federal ERISA Data System联邦ERISA数据系统 Flotation Emergency Deployment System (C-17)紧急调配系统(C-17浮选) Field Experiment On Designator Survivability现场实验能力。自从 Federal Energy Data System联邦能源数据系统 Flexible Engine Diagnostic System灵活的发动机故障诊断系统 Frequency Evaluation Database System频率评价数据库系统