人类社会经历了自然生产力、土地生产力、机器生产力和科技生产力四个发展阶段,与之相应地形成了牧业经济、农业经济、工业经济和知识经济四种形态。知识经济是人类社会在九十年代进入计算机信息时代后出现的一种新型的、富有活力的经济。它是“科学技术是第一生产力”的具体体现,是当代生产力发展的必然结果和最高阶段。作为新的经济形态,知识经济有其显著的特点:一、知识和发明创造对整个国民经济和综合国力的贡献越来越大。在所有的创造财富的要素中,知识 Human society has experienced four stages of development: natural productivity, land productivity, machine productivity and productivity of science and technology. Accordingly, four forms of animal husbandry economy, agricultural economy, industrial economy and knowledge economy are formed. Knowledge economy is a kind of new and dynamic economy that human society has emerged after entering the era of computer information in the nineties. It is a concrete manifestation of that “science and technology are primary productive forces.” It is the inevitable result and the highest stage of the development of contemporary productivity. As a new economic form, the knowledge economy has its own salient features: First, the contribution of knowledge and invention and creation to the entire national economy and overall national strength is growing. Among all the elements of wealth creation, knowledge