Physical Access Control System物理访问控制系统 Provisional Army of the Confederate States身为美国南方联盟的军队临时 Plotting & Combat Summary Display策划和战斗概要显示 Physical Access - Cleaning and Sanitizing清洁和消毒的物理访问 Poorest Areas Civil Society (India)贫困地区民间社会(印度) Pacific Area Cataloging System太平洋区域编目系统 Pennyrile Allied Community Services (Hopkinsville, Kentucky)Pennyrile盟军的社区服务(生于肯塔基州) Parental Account of Symptoms父母的症状 Personal Alarm Call Service (Australia)个人报警电话服务(澳大利亚) Personal Access Communications System (Bellcore, SSC)个人进入通信系统(Bellcore、SSC) Personal Advanced Communications Systems个人先进的通信系统 Phoenixville Area Community Services (Pennsylavnia)Phoenixville区社区服务(Pennsylavnia) Post-Acute Care Services急性护理服务 Programmable Armament Control Set可编程的军备控制集 Polar Acquisition and Command System极地采集与控制系统