The industry uses the light industry as a guide and gradually shifts to the development process centered on heavy industry and chemical industry. Although the per capita national income of countries varies widely, the ratios of heavy industry and chemical industry are generally not much different. The most accurate recap of this passage is mainly. ['At present, the process of industrial development presents a trend of transformation from light industry to heavy industry and chemical industry.', 'In developed countries, heavy industry and chemical industry are basic industries, so they account for a large proportion.', 'The proportion of heavy industries and chemical industries in developed countries indicates their importance.', 'The shift in industrial focus will affect per capita national income.']