Fiber Access System光纤接入系统 Final Approach Segment最后进近段 Federation of Atomic Scientists (now Federation of American Scientists)原子能科学家联合会(现在的美国科学家联合会) Firsts and Seconds (lumber/forest industry)第一,秒(木材/林产工业) Force Augmentation System (military aviation; helicopters)力量增强系统(军事航空、直升机) Federal Antimonopoly Service (Russia)联邦反服务(俄罗斯) Forms Automation System自动化系统的形式 Functional Area Services职能部门的服务 Fresh Air Setup新鲜空气设置 Facility Analysis Session分析会议设施 Freely Associated States (Micronesia)美国自由联系(密克罗尼西亚) Federal Acquisition Service (GSA)联邦收购服务(GSA) Financial Analysis System财务分析体系 Fabric Attached Storage织物储存 Foreign Agricultural Service农产品外销局