Space Physics Data System空间物理数据系统 Scalable Performance Data Server (SAS)可扩展的性能数据服务器(SAS) Seller's Property Disclosure Statement卖方财产公开声明 Suggestion Program Data System建议程序数据系统 Staggered PRF During Search在寻找PRF摇摇晃晃的 Working Group on Substances and Point and Diffuse Sources (OSPAR Commission)工作小组于物质和点和发散源(OSPAR委员会) Signal and Power Delivery Systems, Inc. (Campbell, CA)电力系统、信号。(坎贝尔、钙) Standby Power Distribution System康明斯电力输送系统 Software Process Database System软件过程的数据库系统 Sharepoint Deployment Planning Services (Microsoft)执行服务(微软),部署计划 Ship Project Directive System船项目的指令系统 Shuttle/Stabilized Payload Deployment System飞船/稳定有效载荷部署系统 Small Parcel Delivery System小包裹计价系统 Substances and Point and Diffuse Sources物质和点和扩散的来源 Sudden Peasant Death Syndrome (Walraven MUD)突然死亡综合症(Walraven农民泥)