知识经济时代，知识的生产、流通、交换和在物质生产与生活领域中的应用，成为经济社会发展的重要基础，是由于技术创新的速度日益加快的结果。由于技术水平的飞速提高，人类为了生存与发展所需的物质产品积累的效率迅速上升，满足物质需求所需要的人力不断相对减少，大量劳动 In the era of knowledge economy, the production, circulation, exchange of knowledge and its application in the field of material production and life have become the important foundation of economic and social development and the result of the accelerating speed of technological innovation. Due to the rapid increase of the technical level, the efficiency of the accumulation of material products needed by human beings for survival and development has rapidly risen, the manpower needed to meet the material needs has been constantly reduced, and a great deal of labor