Professional Advancement Course专业的进步 Politica Agricola Comune (Italian: Common Agricultural Policy / European Commission, aka: CAP)限制的采访Comune(意大利:共同农业政策/欧洲委员会(CAP) put and call卖出和买入期权 psycho-acoustic compensation心理声学补偿 Private Aviation Committee专用航空公司委员会 personal analogue computer小型模拟计算机 packaged assembly circuit封装式组合电路 Personal Authentication Code个人认证码 Project Analysis and Control设计分析与控制 Pan-American Congress泛美大会 Pilotless Aircraft无人驾驶飞机 Pediatric AIDS Canada儿童艾滋病加拿大 Problem Action Center问题的行动的中心 Prosecutors Advisory Council检察官顾问委员会 Porting Authorisation Code (telecommunications)授权代码移植(电信)