Research on the root causes of China's technological progress from the perspective of trade commodity segmentation 并列题名：Research on the root causes of China's technological progress from the perspective of trade commodity segmentation Research on the rule of law of natural resources from the perspective of ecological civilization Research on the protection of farmers rights and interests from the perspective of "three rights separation" Research on the strategy of Chinese traditional culture to the world from the perspective of cross-cultural communication Research on the development of cultural industries from the perspective of urban regeneration Research on the growth mechanism of social enterprises from the perspective of legalization Research on the inheritance of folk culture from the perspective of school education Research on the performance assessment of local officials from the perspective of ecological civilization Research on knowledge service of technology-based SMEs from the perspective of value co-creation