Flexion弯屈 FLEXible paging system可变速寻呼系统 File Exchange System文件交换系统 Fast Lexical Analyzer快速的词汇分析仪 Future Leaders Exchange (US State Department)未来的领导人交换(美国国务院) Flexible Spending Account灵活的开支帐户 Fleet Exercise舰队演习 Flame Extinguishment Experiment火焰Extinguishment实验 Federation Licensing Examination联邦执照考试 Force Level Execution System执行力水平 Flexowriter EquipmentFlexowriter设备 RailLease IncorporatedRailLease纳入 Flextronics International, LTD.伟创力国际有限公司