Peak Instantaneous Aircraft Count瞬时峰值飞机数目 Printing Industry Advisory Committee (United Kingdom)印刷行业顾问委员会(英国) Pension Investment Association of Canada养老金投资协会的加拿大人 Pakistan International Airlines Corporation巴基斯坦的国际航空公司 Public Interest Advocacy Centre (Canada)公益宣传中心(加拿大)