Deputy Assistant Secretary of State副国务卿 Doppler Acoustic Sounding System多普勒声学测深系统 Defensive Aids Sub-System防守艾滋病子系统 Distributed Authentication Security Service分布式验证安全服务 Digital Access Signaling System数字接入信令系统 Dangerously Atomic Super Screwdriver危险的原子超级螺丝刀 Direction Departmentale de l'Action Sanitaire et Sociale (Departmental Coordination of the Medical and Social Program, France)Departmentale方向'Action de fixation Sanitaire等部门的协调Sociale(医疗和社会项目,法国) Demand Assignment Signaling and Switching信令及开关。要求分配 Digital Access Signaling Standard数字存取信号的标准 Diver's Air Support System潜水员的空中支援系统 Digital Acoustic Sensor Simulator数码音响传感器模拟器 Distress Alerting Satellite System (DARPA)遇险报警卫星系统(DARPA) Direct Access Secondary Storage直接存取存储 defined antigen substrate spheres限量抗原底物珠 DÉpartement de l'Action Sociale et de la SantÉDÉpartement de l'Action Sociale et de la SantÉ