With the development of computer network communication , intelligent technology , information technology combined with modern instruction theory , and network instruction applied in practice , it will make the instruction model more and more perfect . this dissertation is only my beginning in network instruction research . many aspects are not deep and complete 随着计算机网络通讯、人工智能技术的发展，信息技术与现代教学理论的结合，以及网络教学在实践中的广泛应用，会推动教学模式的日益丰富，这篇论文只是我对网络教学研究的一个开端，许多方面研究的不够深入，我衷心渴求来自各位学者同仁的意见与指导，我会以此为起点，在今后的工作与学习中进一步深入地研究下去。
With rapidly developing of the computer and communications technology , the global economic has been grown . the chinese enterprise has been faced the hardly challenge and market competitive ; with the development of new technology , the more products became rich , the more demands became variety , and the demands for product ' s personal are increased . then the delivery time , the quality , the price of products and services after sale got more attention than ever 随着计算机技术、通信技术等现代科技的迅速发展，全球化市场同益形成，使我国企业面临的环境发生变化，企业的处境越来越艰难；并且，随着科技的发展，产品的日益丰富，用户对产品的需求越来越多样化，对产品个性化的要求日益提高，同时亦开始注重产品的交货时间、产品质量、价格和服务。
