在当代的市场经济中，无形资产带来的收入越来越成为企业追求的目标。高科技企业的利润源泉，不再是工业化时代的资本──耗费大量资源的机器设备以及重工业的基础设施，而是人们头脑里的思想及其转化成产品及服务的各种媒介和组织。在农业社会中，土地是经济发展的核心资源；? In contemporary market economy, the income brought by intangible assets has increasingly become the goal pursued by enterprises. The profit sources for high-tech enterprises are no longer the capital of the industrialized age - the machinery and equipment that consume large amounts of resources and the heavy industry infrastructure, but the minds and the media and organizations that translate them into products and services. In agricultural society, land is the core resource for economic development;