缩写	全称	中文释义
DCA	Ronald Reagan Washington National Airport, Washington	罗纳德·里根华盛顿国家机场，华盛顿
DCA	Defensive Counter-Air	防御性防空
DCA	Draft Concession Agreement	特许协议草案
DCA	Desktop Clicks Agent	桌面单击代理
DCA	Damage Control Assistant	损管助理
DCA	Department of Community Affairs	社区事务部
DCA	Design Change Authorization	设计变更授权
DCA	Direct Connect Availability	直接连接可用性
DCA	Development Coach Award	发展教练奖
DCA	Defense Cooperation Agreement	防务合作协定