| 1. | General specification for power supply system of spc exchange
程控电话交换机电源通用规范 |
| 2. | What are the customs regulations on foreign experts ' bringing in and taking out luggage and daily necessities
印机、程控电话交换机、微型机计算机、电话机、无线寻呼系统、传真机、电子计算器、打字机及文字处理机、家具、灯具、餐料等） 。 |
| 3. | The calling subscriber ' s number display using the telephone sets with the display telephone numbers function not only traced the malicious call but also became a new service of spc telephone exchanges
说明了利用能显示主叫信息的话机来显示主叫信息，是程控电话交换机的一种新业务。 |
| 4. | The capacity of program - controlled telephones is over 0 . 70 million , 0 . 52 million users of fixed telephones , mobile telephone net and broadcast paging cover the cities and villages with users of 0 . 20 million and 0 . 17 million respectively
韶关市程控电话交换机容量达70多万户，固定电话用户52万户。移动通讯网和无线寻呼覆盖城乡，用户分别达20万和17万户。 |
| 5. | For a long time , incumbent carriers tended to regard spc exchange , ddn , fr , atm and ip equipment as leading network elements . most often than not , the transmission equipment is only seen as supportive parts for those leading elements
长期以来，主体电信经营商都认为程控电话交换机、 ddn 、 fr 、 atm 、 ip等设备是作为网络的主体，而传送设备仅认为是这些设备的配套。 |
| 6. | Meanwhile , the application of wdm inevitably steered manufacturers to the research and development of high - end tdm products . in that scenario , nortel shut down its legacy spc production lines and turned itself into a next - generation equipment provider . alcatel came up with its p3 star broadband exchange
波分复用的开发和应用必然引导传统电信制造商集中人才开发tdm的高端产品，于是北电放弃了传统的程控电话交换机的制造，投入下一代产品的研制与推广，阿尔卡特也推出了p3星宽带交换机，西门子、朗讯、 ciena 、中兴、华为等都聚集了大量技术人才，使基于光单波2 |
| 7. | Abstract : the paper introduces various identification methods for tracing the malicious call and calling identification services in spc telephone exchanges , especially describes the malicious call trace methods by using switch boards and " r " key tandem function and telephone set which can display calling subscriber ' s numbers
文摘:介绍了程控电话交换机追查恶意呼叫和主叫用户信息识别业务的各种识别方法，特别是详细介绍了利用话务台和话机上的" r "键转接的功能，以及利用能显示主叫信息的话机来显示主叫电话号码和追查恶意呼叫电话的方法。 |
| 8. | Our factory produces good quality anti - static floor board series which are widely applied to many rooms , as electron computer room ; computer room of microwave communication station ; computer room of programmable telephone exchange ; computer room of satellite earth station ; control room of tv & broadcasting station ; control room of tv launcher ; hyperpure workshop ; armarium room and the place with concentrated . cable laying
我厂生产的系列高品质抗静电地板产品，广泛用于电子计算机机房、微波通信站机房、程控电话交换机房、卫星地面站机房、电台控制室、电视发射台控制室、超洁净生产车间环境、医疗设备技术环境、及线缆敷设较密集场所。本厂以先进的设备，雄厚的技术，可靠的质量，竭诚为客户服务。 |
| 9. | The paper introduces various identification methods for tracing the malicious call and calling identification services in spc telephone exchanges , especially describes the malicious call trace methods by using switch boards and " r " key tandem function and telephone set which can display calling subscriber ' s numbers
介绍了程控电话交换机追查恶意呼叫和主叫用户信息识别业务的各种识别方法，特别是详细介绍了利用话务台和话机上的" r "键转接的功能，以及利用能显示主叫信息的话机来显示主叫电话号码和追查恶意呼叫电话的方法。 |
| 10. | Our factory produces good quality anti - static floor board series which are widely applied to many rooms , as electron computer room ; computer room of microwave communication station ; computer room of programmable telephone exchange ; computer room of satellite earth station ; control room of tv broadcasting station ; control room of tv launcher ; hyperpure workshop ; armarium room and the place with concentrated . cable laying
广泛用于电子计算机机房微波通信站机房程控电话交换机房卫星地面站机房电台控制室电视发射台控制室超洁净生产车间环境医疗设备技术环境及线缆敷设较密集场所。 |
