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- automatic central office 自动电话局
- The organization has a central office in York. 该组织在约克设有总部。
- Bell introduces crossbar central office switches. 贝尔实验室纵横中央局交换机问世。
- Automatic Line Insulation Testing. Equipment located in a Central Office which sequentially tests lines in the office for battery crosses and grounds. 自动线路绝缘测试。放置在市话局的设备，对市话局的线路进行线路交叉测试和对地测试。
- They often act as the voice of Conservative Central Office. 他们通常都以保守党中央局喉舌的面目出现。
- You are far from the central office,you just slip down to a lower rate. 你离开电话局远，那么你就降到较低的速度上。
- You are far from the central office, you just slip down to a lower rate. 你离开电话局远，那么你就降到较低的速度上。
- Also, the new crawler excavator is fitted with a fully automatic central lubrication system as standard. 同时,全自动润滑系统作为标准配置安装在该款新的履带式挖掘机上。
- Central office of Information (1974), Education in Britain, London: HMSO. 谢文全(1978);教育行政（下）;:华视教学部.
- He was sent to our central office to take over the new sales department. 他被分配到我们的总店去接管一个新的销售部门。
- Central office telephone equipment serving subscribers at one location on a private automatic branch exchange basis. The system allows such servicesas direct inward dialing,direct distance dialing,and console switchboards. 中央局的电话设备，以用户专用自动交换机方式为某一地区的用户服务。该系统允许直接内部拨号、长途直接拨号以及控制台交换转接等。
- Automatic Coin Telephone Service includes a telephone company central office that can complete all types of payphone calls automatically without an operator. 自动投币电话业务，包括电话公司市话局，可以不需要话务员而自动完成各种类型的公用电话。
- Central office telephone equipment serving subscribers at one location on a private automatic branch exchange basis. The system allows such servicesas direct inward dialing, direct distance dialing, and console switchboards. 中央局的电话设备，以用户专用自动交换机方式为某一地区的用户服务。该系统允许直接内部拨号、长途直接拨号以及控制台交换转接等。
- 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
- Media gateways can either reside at the very edges of the public network at the customer premises or in a central office. 介质网关或是在客户办公室的公共电话网的边沿、或是在电话局内。
- The central office then sends an SS7 message to a signaling gateway in order to get access to calling and called address information. 然后，为了能访问到呼叫方和被叫方的地址信息，电话局向信令网关发一个SS7消息。
- By contrast, ISDN basic service provides symmetrical 128Kbps service within 18,000 feet of the central office. 与之相反，ISDN的基本服务在距电话局的1.;8万英尺范围内提供对称的128Kbps服务。
- In this case, a call is placed by the fax device and routed to the local central office by the PBX. 在此案例中，传真设备要了一个呼叫，并通过小交换机路由到了本地电话局。
- In this case,a call is placed by the fax device and routed to the local central office by the PBX. 在此案例中，传真设备要了一个呼叫，并通过小交换机路由到了本地电话局。
- Automatic central refuse collection system 自动化中央垃圾收集系统
