远程通信线路上的传输反射。
The reflection of a transmission on a telecommunication line.
文章提出在原有光纤光缆电信传输业务基础上，不增加通信线路，利用光纤波分复用技术实现局、矿远程图象传输。
Based upon existing optic fiber cable telecommunication, this article puts forward using wavelength division multiplex technology for remote image transmission without adding communication line.
实验表明，此系统能对通信线路中的配线架、电缆、工频干扰情况进行远程实时的监测。
It has been proved experimentally that this system can be used for remotely real-time monitor of assemble line racks, cables and industry frequency interference of communication circuit.
该文从实际出发，通过卫星通信线路和地上线路的有机结合，构筑了低成本、高速率的基于卫星的远程教学系统，并在其上进行了模拟教学实验。
This paper constructs a new practical distance learning system that is low cost and high speed by the means of satellite LOG combining with ground connection well.
该文从实际出发，通过卫星通信线路和地上线路的有机结合，构筑了低成本、高速率的基于卫星的远程教学系统，并在其上进行了模拟教学实验。
This paper constructs a new practical distance learning system that is low cost and high speed by the means of satellite LOG combining with ground connection well.
应用推荐