1.
A telephone cable from a local exchange to a central exchange.
一种从本地交换局到中心交换局的电话电缆。
2.
With basic LAN switches, intelligence stays in the core network.
利用基本的局域网交换机，智能留在核心网络中。
3.
Nodes: the switching centers in the network o
节点:网络中的交换中心。
4.
Hong Kong Internet Exchange (HKIX)
香港互联网交换中心(HKIX)
5.
digital computer switching center
数字计算机交换中心
6.
Health Teaching and Learning Materials Clearing House
保健教学材料交换中心
7.
automatic electronic switching center
自动电子数据交换中心
8.
automatic electronic data-switching center
自动电子资料交换中心
9.
store-and-forward message switching center
存储转发信息交换中心
10.
Mobile Switching Center (MSC) - 8
移动交换中心 (MSC) -- 8
11.
Sub-contracting exchange centre
分包合同情报交换中心
12.
Bell introduces crossbar central office switches.
贝尔实验室纵横中央局交换机问世。
13.
Application of the second and third level exchange technology in the campus LAN;
校园局域网中二、三层交换技术的应用
14.
Trading Centers and the Origin of the Earliest City in China;
经济交换中心与中国早期城市的起源
15.
cross office switching time
交叉电话局转换时间
16.
common battery exchange
共电制电话交换机局
17.
gentex exchange
公众电报电路交换局
18.
"Because relatively few telephones can provide contact without switching from a multitude of local lines to a much smaller number of trunks between exchanges,"
本局用户线路是大量的，而交换局之间的中继线路是少量的，没有交换只能接通相对少量的电话。