English translation for "数字电话学"

digital telephony

Similar Words：

"数字电话交换业务" English translation, "数字电话设备" English translation, "数字电话网" English translation, "数字电话网络" English translation, "数字电话系统" English translation, "数字电流表" English translation, "数字电路" English translation, "数字电路倍增" English translation, "数字电路倍增设备" English translation, "数字电路倍增系统" English translation