DCNDesign Change Notice 设计更改通知edcneducation 教育DCNA[计] 数据通信网络体系DCNIDepartment of the Chief of Naval Information 海军情报总部DCNMDeputy Chief of Naval Material; Deputy Chie...DCNODeputy Chief of Naval Operations <美国>海军作战部副部长DCNSDeputy Chief of Naval Staff 海军参谋长DCNEODeputy Chief Naval Engineering Officer 海军工程办公室副主任dcndeepcerebellarnuclei..EDCNnickel bis (ethylene-diamine)-dithiocarb amate 双乙二胺氨荒酸镍(科技符号)