摘要
从社会需求与技术发展的相互关系出发，阐述了计算机网络技术的发展现状及其对计算机用户组网的选择和影响．
The developmental present situation of techniques of computer network and the selection and influence to the computer user's network are discussed, from the interrelation between social demands and technological development in the paper.
关键词
局域网
帧中继
信元
计算机网络
Local area network
Frame relay
Cell
ATM
Group switch
FDDI
