Applications Technology Satellite应用技术卫星 Automatic Test System自动试验系统 American Television Society美国电视学会 Anomaly Tracking System异常跟踪系统 Automatic Tray Sleever (US Postal Service)全自动托盘Sleever(美国邮政服务) Aeronautical and Technical Services (Canada; Mapping Services Branch)航空及技术服务(加拿大)绘图服务 Automated Targeting System自动锁定系统 Automated Trading System (Securities and Exchange Commission national market system plan)自动交易系统(有价证券和兑换佣金全国市场体系计划) Assistive Technology Supplier (credential offered by Rehabilitation Engineering and Assistive Technology, RESNA)辅助技术供应商(证书由工程和辅助技术,RESNA) Air Traffic Services空中交通服务 Automatic Transfer Switch自动预备接通装置 automatic transfer service自动转移服务 Automatic Telephone Set自动电话机 Absolute Temperature Scale绝对温度标 Air Traffic Service空中交通处[美]