1. Comparative study on industrial structure of emerging technologies: With the rapid development of emerging technologies such as information technology, artificial intelligence and biotechnology, emerging technology industries have gradually become new kinetic energy to promote economic development. We can compare and study the emerging technology industry structure in different countries or regions, explore its development law and optimization direction, and provide reference for relevant policy formulation.

2. Analysis of cross-border electronic commerce's industrial structure: With the development of global economic integration, cross-border electronic commerce has become one of the important fields. On the cross-border e-commerce platform, the choice and purchase method of goods directly affect the industrial structure of related industries. We can study the industrial chain and value chain involved in cross-border electronic commerce, explore the interactive relationship between the corresponding industries, and provide reference for the strategic decision-making of enterprises in cross-border electronic commerce.