Polyacrylonitrile聚丙烯腈 Programa Ambiental Nacional (Spanish: National Environmental Program)Programa Ambiental Nacional(西班牙语:国家环保项目) Uncovering Plagiarism, Authorship and Social Software Misuse (workshop)剽窃,作者揭示和社会软件滥用(车间) Pesticide Action Network农药行动网络 Peroxyacetyl Nitrate过氧乙酰硝酸酯 Panama巴拿马 Patient's Action Network (American Medical Association)病人的行动网络(美国医学协会) Partai Amanat Nasional (National Mandate Party, Indonesia)Amanat Partai传单,印尼国家授权 Publication Approval Number出版批准文号 Philippine Association of Nutrition菲律宾协会的营养 Polska Akademia Nauk (Polish Science Academy)Akademia质量及其科学学会(波兰) Partido AcciÓn Nacional (Spanish: Action National Party)Partido AcciÓn Nacional (Spanish: Action National Party) Permanent Account Number永久性户口号码 Panama (ISO Country code)巴拿马(ISO国家代码) Percussion Actuated Non-electric (bomb squad robotics)Non-electric打击驱动机器人(炸弹)