absolute digital control
AC digital control voltage regulation
Advanced Digital Network
analog digital control system
analog-digital control system
automatic digital network
B-ISDN Broadband – Integrated Services Digital Network
B-ISDN Broadband integrated service digital network
Broadband Integrated Service Digital Network
综合业务数字网
宽带综合业务数字网
宽带整体服务数字网络
Broadband Integrated Services Digital Network
Broadband Integrated Services Digital Network(B-ISDN)
broadband-integrate service digital network
closed-loop digital control system
communication digital control unit
completely digital control
crystallographycircuit switched digital network