试论第三产业与第一、二业的均衡张存刚一、产业及产业结构产业是一个处于微观经济单位（企业和家庭）与宏观经济总体之间的一个集合概念。所谓产业，一方面是指具有同一属性的一类企业的集合体，另一方面它又是按照某种标准划分的构成国民经济总量的各个组成部分。而所谓... On the tertiary industry and the balance of the first and second industry Zhang Cogang First, the industry and industrial structure Industry is a collection of micro-economic units (businesses and households) and the overall concept of the macroeconomy. The so-called industries, on the one hand, refer to the aggregates of a class of enterprises that have the same attribute, on the other hand, they are components that make up the total national economy according to some standard. The so-called ...