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- electronic central office (ECO) 电子中心局
- electronic central office 电子式电话中心局
- 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。
- 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。
- 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。
- Synthetic electronic central temperature controller is uninterruptable and the liquid crystal digital display is clear and reliable. 合成电子中央温控，不受干扰，液晶数字显示，清晰可靠。
- 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。
- 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。
- Centrex uses the telephone company's central office exchange to route internal calls back to an extension. Centrex使用电话公司的中央办公室交换机将内部电话又路由回到分机号码上。
- PW Programme of work of the Committee as recorded by the IEC central office in its datebase. 中央办公室备案的委员会工作项目。
- Helen became an electronic engineer. 海伦成了一名电子工程师。
