Passenger Entertainment System Controller乘客娱乐系统控制器 Politique EtrangÈre et de SÉcuritÉ Commune (European Union)Politique EtrangÈre et de SÉcuritÉ Commune (European Union) Postsecondary Electronic Standards Council (data exchange standards in education)一个省份的电子数据交换标准的标准委员会(教育) Power Electronics Specialist Conference电力电子专家会议 Peace Education Standing Commission和平教育常务委员会 Pearl Earth Sciences Corporation (Ajax, ON, Canada)珍珠地球科学公司(阿贾克斯在加拿大) Programa de Engenharia de Sistemase Computação (Portuguese)Programa de Engenharia de Sistemase Computação (Portuguese) Passivated Emitter Solar Cell根据发射器的太阳能电池 Professional Exchange Service Corporation专业交流服务公司 Purdue Engineering Student Council普渡大学的工程学生会 Politica Estera e di Sicurezza Comune (Italian)Estera Sicurezza Comune信息化"(意大利) Philippine European Solidarity Centre菲律宾的欧洲团结的中心 Physical Education/Sports Communication体育/体育交流 Politica Estera e di Sicurezza ComuneEstera Sicurezza Comune信息化" postextrasystolic contraction期外收缩后挛缩