计算机网络是计算机技术与电子通信技术紧密结合的产物。微机网络已迅速渗透到国民经济和教育科研的各个领域。学校作为科教兴国的前沿，必须紧紧同步于信息技术时代，尽快实现教育的现代化、计算机网络化，迅速更新我们的教学手段，真正实现网上教学。网上教学克服传统教... Computer network is a product of the close combination of computer technology and electronic communication technology. Microcomputer networks have rapidly penetrated into various fields of national economy and education and scientific research. As the frontier of rejuvenating the country through science and education, schools must be closely synchronized with the information technology era, realize the modernization of education and computer networks as soon as possible, rapidly update our teaching methods and truly realize online teaching. Online teaching to overcome the traditional teach ...