Ln this information epoch , the rapid development and good application prospect of internet and lan technology makes it a carrier to be various of information 在当今信息时代，因特网和局域网技术的迅速发展及其良好的应用前景，使之成为各种信息的传输介质。
In solutions to connect household appliances to computer networks , power lines are utilized as transmission medium without laying lines and the plug and play is also realized 家电联网，用电力线作传输介质，不但可以省去布线的烦恼，同时也可实现“即插即用” 。
As the transmission medium of ethernet access , optic fiber did n ' t draw people ' s attention at the beginning because they believe all the service will be atm 以光纤作为传输介质来实现以太网接入的构想最初并没有引起人们的注意，大多数人认为所有的业务最终都会atm化。
Experimental results demonstrate that the scheme is reasonable and this system can be used for surveillance and image transmission 实验结果表明本设计方案设计合理，能够使用低压电力线作为图像传输介质，图像失真较少，可以应用于公共场所监控以及需要图像采集和传输的场合。
The paper introduces the computer fault fault , which is due to network card fault 、 transfer medium fault and enviironment fault , and explains the solution method about them 介绍可能遇到的网卡故障、传输介质故障、环境原因造成的计算机网络故障等,并说明解决网络故障的排除方法。
At the same time , these companies are migrating to higher speeds across the lan , replacing 10m bit / sec shared media with dedicated 10m / 100m bit / sec switched connections 同时，这些公司在局域网上向更高速度过渡：用专用的10兆/ 100兆位/秒交换式连接替代10兆位/秒的共享式传输介质。
Polymer fibre is an ideal transfer medium for short distance communication network , which has a good development prospect in telecom , vehicle , industry control and internet field 摘要聚合物光纤是短距离通信网络的理想传输介质，在电信、交通工具、工业控制以及互联网领域发展前景良好。
The system uses ethernet as its transfer media , the data transferring techniques used by the system are ip multicasting , udp & rtp protocols . the whole system performs well under this implementation 以以太网作为网络传输介质,采用ip组播的udp和rtp传输方式进行视频数据的发送,系统运行效果良好。
Plc networks , due to the ubiquitous nature of power lines , present a solution to providing wide reaching internet access , which have important technological and economic implications 由于低压电力线的普及程度比其他任何通信介质都广泛，研究电力线作为信息传输介质在技术和经济方面都有十分重要的意义。
The mappings can be implemented by corresponding objects , which imitate the protocol , the medium and stations in a lan respectively , forming the basic structure of an object - oriented simulation system 这些映射的功能可以由模拟局网的协议、传输介质和站点的对应对象来分别完成,形成面向对象仿真系统的基本结构。
