In the early 1970s, the majority of telephone exchanges were still electromechanical analog switches.
在70年代早期，大多数电话交换机还是机电模拟转换器。
Electronic technology enables telephone exchanges to cover an ever increasing number of telephone communications.
电子技术使得电话交换机可以处理大批量的电话用户。
KPN has replaced 1,300 telephone exchanges with just 100 IP centres, and raised Euro 1 billion by selling property as it did so.
KPN仅仅用了100部IP中枢就取代了1,300门电话交换机，而且通过出售那些财产筹集了10亿欧元。
This percentage is obtained by dividing the number of main lines connected to digital telephone exchanges by the total number of main lines.
这个百分比通过连接到数字电话交换机的主线数除以主线总数得到。
Telephone is one kind of common communication, exchanges the tool.
接打电话的艺术电话是一种常见的通讯，交流工具。
By the end of 1998, the home-made exchanges had constituted 98% of all the newly added telephone exchange capacity.
到1998年底，通信网新增电话交换机中，国内生产设备的比重已达到98%。
Unlike other stock exchanges, NASDAQ has no central location where trading takes place. Instead, its market makers are located all over the country and make trades by telephone and via the Internet.
与其他证交所不同，纳斯达克没有股票交易的中心交易场所，它的市场期票出票人遍及全美各地，通过电话和互联网进行交易。
Three electrics gather one" is combine telephone, television and computer as interconnection exchanges, merges as a whole."
所谓“三电合一” ，就是将电话、电视、电脑有机组合起来，互联互通，融为一体。
At the same time, system-specific calls pop-up window function facilitates patients counsel station information through telephone and exchanges platform under specific circumstances.
同时系统特有的来电弹屏功能，方便患者通过电话咨询台位信息及在特定情况下调换台位。
At the same time, system-specific calls pop-up window function facilitates patients counsel station information through telephone and exchanges platform under specific circumstances.
同时系统特有的来电弹屏功能，方便患者通过电话咨询台位信息及在特定情况下调换台位。
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