一、知识产业产生的背景以知识密集型技术为基础的知识产业 ,是２１世纪全球经济发展的核心 ,也是世界各国经济可持续增长的基础。科学技术的进步和社会生产力的发展 ,必然会引起全社会产业结构、就业结构的变化和调整。美国是知识经济萌芽和发展得最早的国家 ,２０世纪５０年 I. Background of Knowledge Industry The knowledge industry based on knowledge-intensive technology is the core of global economic development in the 21st century and the basis for sustainable economic growth in all countries in the world. The progress of science and technology and the development of social productive forces will inevitably lead to the change and adjustment of the industrial structure and employment structure of the entire society. The United States is the earliest country in which the knowledge-based economy sprouted and developed, 50 years in the 20th century