Canadian Association of African Studies加拿大协会非洲研究 Civil Aviation Authority of Singapore民航部门的新加坡 Criticality Accident Alarm System (nuclear)临界事故报警系统(核) Community Accounting Aid Service社区会计援助服务 Chemical Agent Alarm System化学剂的警报系统 Chet Atkins Appreciation Society (Nashville, TN)阿特金斯欣赏妳那什维尔,社会 Commercial Activity Automated System商业活动的自动化系统 Contract Advisory Assistance Services咨询服务合同 Common Authentication and Authorization Service常见的认证和授权的服务 Combined Artillery/Aviation Simulator结合炮兵/航空模拟器 Chloride Aqueous Actinide SeparationActinide氯水分离 Computer Apathy and Anxiety Scale计算机冷漠和焦虑量表 Changi Aviation Authority of Singapore新加坡樟宜机场航空机构 Common Avionics Architecture System常见的电子结构体系 Contractor Assistance and Advisory Service承包商的援助和咨询服务