DCAn.数字计算机协会
dcabbr.直流(=direct current)abbr.哥伦比亚特区(=District of Columbia)
DCPC Direct Controller Pilot Communication管制员驾驶员直接通信
DC silicon-controlled voltage stabilizer可控硅直流稳压器
DC electro-motor's speed governing system大白稻
DCNA Data Communication Network Architecture数据通信网络体系结构