... 数字传输干线：trunk,digit transfer 数字程控交换机：digital telephone switching 数字衬填：numeric pad ...
基于1个网页-相关网页
Digital telephone switching network 数字电话网
digital telephone switching service 数字电话交换业务
service digital telephone switching 数字电话交换业务
digital spc telephone switching system 数字程控电话交换系统
The design methods given here have been successfully implemented in a Chinese-developed SPC digital telephone switching system.
本文所讨论的设计方法已成功地应用于国产程控数字电话交换机。
The telephone network based on circuit-switching and digital program controlled exchanging technology plays an important role in the whole communicating networks.
以电路交换和数字程控交换技术为基础的电话网更是在整个通信网中占据着重要的地位。
It implements intelligent switching such as connection and disconnection on computer baseband digital communication of telephone wire.
通过它可以完成计算机基带数据通信双方电话线物理链路的智能转接。
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