谁知道AD,DDD,BC,CAAC,NAB这些英文缩写的意思啊,急!答:AD = Access Device,存取设备 = Address Decoder, 地址译码器 = Alternate Display, 备用显示器 = Analysis/Design, 分析/设计 = Automated Design, 自动设计 = Automatic cash Depositor, 自动存款机 = Automatic Display, 自动显示 AD abbr. 公元 (Anno Domini)DDD = Data Dictionary/Directory,数据...