CDPD

Cellular Digital Packet Data 蜂窝式数字包裹数据传输;cellular digital packet data system 蜂窝数字分组数据系统;communications and data processing operation 通信与数据处理作业;di-cyclehexyl phenyl-pheny lenediamine 二环己基苯基对苯二胺（科技符号）;