programmed controlled exchange造句
例句与造句
- Design and realization of the small digital program controlled exchange
小型数字程控交换机的设计与实现 - The telephone network based on circuit - switching and digital program controlled exchanging technology plays an important role in the whole communicating networks
以电路交换和数字程控交换技术为基础的电话网更是在整个通信网中占据着重要的地位。 - The text provides the detailed program flow , and completes the research and the hardware design of the digital program controlled exchange in local area network
本文给出了详尽的设计流程。本文完成了数字交换机在局域网内功能的研究，并完成了硬件电路的设计与实现，达到了设计目的。 - The text firstly introduces the status of the program controlled exchange , and compares simulative exchange with digital exchange in the performance , and points out the developing direction of the future digital exchange
本文结合课题首先介绍了程控交换机的发展状况，对模拟交换机和数字交换机进行了性能比较，并指出未来数字交换机的发展方向。 - The difficulties of the text are the use of the integrated dtmf receiver mt8870 and the signal generator circuit . their realities need occupy the pcm timeslots . they are the characters of the digital program controlled exchange
尤其对于收号器mt8870的使用、信号音的产生电路是本设计的难点，具有数字程控交换的特点，需要占用pcm时隙来完成其功能。 - It's difficult to find programmed controlled exchange in a sentence. 用programmed controlled exchange造句挺难的