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- Strowger telephone exchange 史端乔式电话交换机
- Invention of 1,000 line switch with disc bank having ten concentric rows of line contacts. Not used commercially. Formation of Strowger Automatic Telephone Exchange. 发明1,000寻线机，其排线架拥有10排线路连接。但是并没有投入商业使用。史端乔式自动电话交换机形成。
- An operator at a telephone exchange. 电话局的接线员
- Our nervous system can be likened to a telephone exchange. 我们的神经系统好比一部电话交换机。
- An operator wearing earphone was sitting in the telephone exchange. 戴耳机的接线员正坐在总机室里。
- The nervous system can be likened to a telephone exchange. 神经系统好比一部电话交换机。
- The new switchboard shares much of the workload of the telephone exchange. 这台新式交换机大大的减少了交换台的工作量。
- Our nervous system can be likened to a telephone exchanger. 我们的神经系统好比一部电话交换机。
- In a Centrex-based telephony system, the telephone company's central office acts as the telephone exchange. 在基于Centrex的电话系统中,电话公司的中央办公室是电话交换的中心。
- A private telephone exchange that automatically connects internal "branch" lines to the external circuits of a telephone system. 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。
- For example, with Centrex, the telephone exchange or telephone company's central office knows which extensions are internal. 例如,使用Centrex,电话交换机或电话公司的中央办公室将知道哪些分机是内部分机。
- The CCITT High-Level Programming Language--CHILL is the standard programming language which is used for Stored Program Control(SPC)telephone exchange. CCITT高级程序设计语言CHILL是用于存储程序控制(SPC)电话交换机的标准程序设计语言本文选取并实现了一个实用的CHILL子集,命名为Mini-CHILL。
- The main attemper telephone is a special purview telephone and have the function of telephone exchange and office telephone. 主调度话机作为一个特殊权限的编程话机，具有话务总机及办公电话的一切功能。
- The Puskas brothers were planning to construct a telephone exchange in Budapest using Edison's improved telephone design. 普斯卡兄弟计画使用爱迪生对于电话的改良设计，在布达佩斯建造电话交换机。
- Too often I have made the mistake of sending an irritable response, which will have festered and angered the other end much more than a difficult telephone exchange. 我就时常犯这样的错误：发出的邮件令收件人火冒三丈，其受刺激的程度远胜于一次艰难的电话通话。
- They should not be relied upon to provide an error free method of relaying tone signalling to other decoders, such as a telephone exchange DTMF detector, for example. 它不应该被依赖用做提供一种无错的传送方法，传送双音频信号到另一解码器。例如：电话交换机的DTMF侦察器。
- SPC exchanges have accounted for 99.8% of the country central office telephone exchanges and 99.6% of long distance transmission has been digitized. 全国局用交换机程控化比重达到99.;8%25，长途传输数字化比重达到99
- 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%25。
- Each telephone served by a private branch exchange. 由专用小交换机提供服务的电话分机。
- Australia's first Stock Exchange(1861), telephone exchange (1880), electric lamps (1882), cable trams (1885) and other advances, including the first "test tube" baby (1980), all occurred in Melbourne. 澳大利亚最早建立的证券交易所（1861年）、电话局（1880年）、电灯厂（1882年）、电车公司（1885年）以及其他先进设施，包括第一个试管婴儿（1980年），都出现在墨尔本。
