Central Exchange

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。

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。

Nodes: the switching centers in the network o

节点:网络中的交换中心。

Hong Kong Internet Exchange (HKIX)

香港互联网交换中心(HKIX)

digital computer switching center

数字计算机交换中心

Health Teaching and Learning Materials Clearing House

保健教学材料交换中心

automatic electronic switching center

自动电子数据交换中心

automatic electronic data-switching center

自动电子资料交换中心

store-and-forward message switching center

存储转发信息交换中心

Mobile Switching Center (MSC) - 8

移动交换中心 (MSC) -- 8

Sub-contracting exchange centre

分包合同情报交换中心

Bell introduces crossbar central office switches.

贝尔实验室纵横中央局交换机问世。

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

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

cross office switching time

交叉电话局转换时间

common battery exchange

共电制电话交换机局

gentex exchange

公众电报电路交换局

"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。