automatic digital data assembly system
automatic digital data error recorder
automatic digital encoding system
automatic digital input/output system
automatic digital message switch
automatic digital message switching center
automatic digital network
automatic digital recording and control
automatic digital tracking
automatic digital data error recorder
automatic digital encoding system
automatic digital input/output system
automatic digital message switch
automatic digital message switching center
automatic digital network
automatic digital recording and control
automatic digital tracking
automatic digital message switch
automatic digital message switch
Definitions
- [1] [通信] 自动数字（式）报文交换