FSabbr.外事处(=Foreign Service)abbr.幻灯或电影的胶片(=filmstrip)abbr.飞秒(=femtosecond)FSKn.移频键控FSSn.飞点扫描设备(飞点析象器)FSG=First Stage of Graphitization 第一石墨化阶段FSB=Federal Specifications Board 联邦技术规范局[美]FSNn.全方位服务网络FSRn.反馈移位寄存器FSE=Fellow of the Society of Engineers 工程师学会会员[英]fsub(floationg point subtraction浮点减)FSCVabbr.[军] Fire Support Combat Vehicle；火力支援战车FSOsn.驻外机关事务局