Parti d’Avant-Garde Socialiste (French: Avant Garde Social Democratic Party, Morocco) Principles of Advanced and Distributed Simulation先进的分布式仿真原理 Product Assurance Data System产品保证数据系统 Parallel And Distributed Simulation并行分布式仿真 Parti Africain pour la DÉmocratie et le Socialisme( African Party for Democracy and Socialism, Senegal)Parti Africain pour la DÉmocratie et le Socialisme( African Party for Democracy and Socialism, Senegal) Precision Aerial Delivery System空中输送系统精度 Public Action to Deliver Shelter公众的行动来提供庇护 Protected Archives Distribution System受保护的档案 Position Azimuth Determining System位置确定系统的方位 Parts And Drawings System部分和图纸系统 Platform Aft Deck Switch平台甲板后部开关 Programmer's Advanced Debugging System程序员的先进的调试系统 Penetration Aids Deployment System渗透艾滋病部署系统 Parametric Airborne Dipping Sonar参数空降浸渍声纳 People And Dogs Society (UK Charity)英国人与狗社会慈善