Istituto di Analisi dei Sistemi ed Informatica (Italian:Institute of Systems Analysis and Computer Science)Istituto迪Analisi Sistemi艾德Informatica天主(意大利的系统分析和计算机科学) Infrared Atmospheric Sounding Interferometer红外大气测深方法 Irish Accommodation Services Institute (Dublin, Ireland; formerly the Association of Hotel Accommodation Management)爱尔兰住宿服务协会(爱尔兰的都柏林;从前协会的住宿酒店管理) Inter-American Statistical Institute (Buenos Aires, Argentina)国家统计研究所(布宜诺斯艾利斯,阿根廷) International Association for Sports Information国际体育情报联合会