英德
有道
百度
谷歌
图片
维基
百科
专用交换机
[通信] private exchange
private branch exchange
private branch exchange
- 一种自动地将内部用户线连接到电话系统外线的专用电话交换机。
A private telephone exchange that automatically connects internal "branch" lines to the external circuits of a telephone system. - 专用综合服务网络交换（PINX）是在BRI语音应用中使用QSIG信令的专用分组交换机或主系统。
Private INtegrated services network eXchange(PINX) is a PBX or key system which, in a BRI voice application, uses QSIG signaling. - 将来自各个网络交换机输入端口的第一数据包交换到该网络交换机的专用输出端口。
The first data packets are switched from each of a plurality of network switch input ports to a dedicated output port of the network switch.
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中国词汇量第二的英语词典
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