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理论界提出了一种新的产业分类,在原有三次产业基础上,提出了第四产业的概念,产业分类法的关键问题是如何定义,眼下国际国内最为流行的定义有三种:第一种将第四产业定义为“以信息和知识为主体的头脑性商业”,简称为“头脑产业”或“知识产业”。这种分类不够确切,似乎只有第四次产业是
Based on the original three industries, theorists put forward the concept of the fourth industry, and how to define the key issues of the industrial classification method. At present, there are three definitions of the most popular in the world and abroad: The fourth industry is defined as “mind business with information and knowledge as its main body” or “mind industry” or “knowledge industry” for short. This classification is not exact enough, it seems that only the fourth industry is