中文摘要：

随着网络经济的发展。原来的R＆D内部化不能适应经济发展的需要，高新技术企业协作R＆D呈现出越来越明显的外部化。网络化趋势。科学技术，技术标准和网络经济发展，以度网络效应，交易成本的减少等共同推动着高新技术企业协作R＆D网络化的发展。

英文摘要：

With the development of network economic, R ＆D internalization can not follow the need of economic development,and hi- tech enterprise cooperation R＆D become more and more networked and externalized. All the charscter,the development of science and technology, technical standard,network economic and network effects, transaction cost＇ decreasing, which promote the development of high- tech enterprise R ＆D network.