automatic branch exchange

英 [ˌɔːtəˈmætɪk brɑːntʃ ɪksˈtʃeɪndʒ]

美 [ˌɔːtəˈmætɪk bræntʃ ɪksˈtʃeɪndʒ]

网络用户自动小交换机; 自动交换分机; 自动交换机

Generic specification for stored program control analogue private automatic branch telephone exchange system
GB/T14716-1993程控模拟用户自动电话交换机通用技术条件
Adds a public or private automatic branch exchange, either digital or analog, to your network diagram.
在网络中添加数字（或模拟）的公用（或专用）自动交换分机。
Digital electronic private automatic branch exchange
数字专用式电子自动交换分机
In the maintenance of Private Automatic Branch Exchange ( PABX), the problem of power supply quality is often neglected.
在程控用户交换机维护中，电源质量的问题较容易被忽视。
The communication system is composed by fiber, exchanger and way-side telephone. Development of the circuit providing timing and synchronization signals for private automatic branch exchange
通信系统主要由光纤数字传输系统、数字程控用户交换机系统和路侧紧急电话系统三部分组成。数字程控用户交换机时钟与同步系统电路设计
Study of Speech Recognition System Based on Private Automatic Branch Exchange
基于电话用户交换机的语音识别系统研究
The Methods of Processing PABX ( Private Automatic Branch Exchange) System Troubles
程控交换机系统故障的处理方法