spc exchange造句

• General specification for power supply system of spc exchange
  程控电话交换机电源通用规范
• Spc exchange fundamentals
  程控交换原理
• R & d and manufacture of spc exchanges and innovative components and devices have reached a certain scale and level
  城市彩电普及率已达每百户1008台，农村电视机普及率达到每百户70台以上(其中彩电普及率达每百户27 . 2台) 。
• This is a clever use of n - isdn , which is technologically rather mature . in addition , today s spc exchanges mostly provide such a function
  N - isdn在技术上已非常成熟，而且现在的程控交换机基本上都具备了这项功能。
• All these changes took place after the first spc exchange was put into service in the capital in 1984 , enabling the use of pcm circuits for local trunks
  这是从1984年北京开通第一个程控交换局，首次在市内中继使用pcm数字电路之后巨大的变化。
• According to the theory of spc exchange , we devise and develop an experimental system of automatic exchange to meet the need of teaching and practice
  本文结合程控交换原理课程及其教学实践要求，开发了一套用于教学演示及实验使用的小型程控交换机仿真系统。
• And most of this knowledge has to been transferred to the students by pratice , so we need a set of simulation of the spc exchange
  该课程侧重介绍程控交换的基本概念和工作原理，课堂教学内容迫切需要相应的实验辅助，以达到帮助学生正确掌握和深入理解课程内容的目的。
• At the same time , 4 . 5 million pc sets , 35 million lines of spc exchanges , 30 million color tv sets , 13 million mobile handsets and 2 . 1 billion integrated circuits will be added
  同时，生产微机450万台，程控交换机3500万线，彩电3000万台，移动电话手机1300万部，集成电路21亿只。
• As the spc exchange develops , in the digital transmission network the basic unit of 64 kbits as a circuit has gradually been replaced by that of 30 2 mbits circuits ( hereinafter referred to as e1 )
  数字传输网随着程控交换机的发展，逐渐改变了由64kbits速率为一条电路的基本计算单位，接受了2mbits （下称e1 ） 30条电路为一个基本单位的概念。
• The proliferation of spc exchanges in telecommunication operator ( telco ) networks forced the centralization of supplementary services in special network nodes in order to facilitate the update and introduction of such these services
  无线电通讯操作网络中存储控制程序交互系统的增多，促进了各独立网点的附加服务的集中化，以便于这些服务的更新和介绍。
• With the rapid development of communication technology , the curriculum of the spc exchange theory has become the basic core in the colleges as the most important knowledge in the field of communication
  随着现代通信技术的飞速发展与日益普及，程控交换原理与技术作为目前通信领域中应用最广的专业基础知识，已成为各高等院校电子通信类专业教学的核心课程之一。
• 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。
• Professional experience : ms zhang has been engaged in the design , programming , fixing , debugging and technical support of many types of network equipment , spc exchange ; she has handled nearly one thousand telecommunication patent cases ever since the year of 2000 and answered hundreds of office actions
  简历：曾从事多种网络设备程控交换机的设计编程安装调试及技术支持自2000年至今从事电子通讯领域的专利代理近千件，答复审查意见几百件。
• Since the early 1990s , when the electronics industry came to the stage of digital technology , china has broken through in high - end series personal computers and servers , large - scale parallel computer systems , chinese electronic publishing systems , large - scale spc exchanges for central offices , mobile communications systems , sdh wdm fiber communications systems , thin route satellite communications systems , new generation digital video terminals , manufacturing technology for 0 . 8 - 0 . 35 m cmos integrated circuit chips , etc
  到90年代进入数字技术阶段,高档系列微机和服务器产品、大规模并行计算机系统、中文电子出版系统、大型局用数字程控交换机、移动通信系统、 sdh波分复用光纤通信系统、稀路由卫星通信系统、新一代数字视频终端、 08 ? 035微米cmos集成电路芯片制造技术等，都有突破性进展。