产业体系是一国国民经济中产业因各种相互关系而构成的整体。产业体系的发展演进是产业分工不断深化,产业要素、产业结构和产业功能不断优化的动态过程。我国已成为具有全球影响力的制造业大国,但产业结构不合理,科技创新能力不强,核心技术缺乏、发展层次偏低,先进 Industrial system is a national economy in a country because of the various interrelated industries as a whole. The development and evolution of the industrial system is the dynamic process of continuously deepening industrial division of labor, continuous optimization of industrial elements, industrial structure and industrial functions. Our country has become a big manufacturing power with global influence. However, its industrial structure is irrational, science and technology innovation ability is not strong, core technology is lacking, development level is low, and advanced