Research on the high quality development of local undergraduate universities under the background of "double first-class" Research on the transformation development of the undergraduate universities in the vision of the regional economy Research on the digital development of China's new energy vehicle industry under the background of carbon neutrality Research on high-quality development of China's export trade under the background of industrial intelligence Research on the sustainable development of social old age insurance system under a background of overall coverage The research on the transformation development of the undergraduate universities in the vision of the regional economy Research on the high-quality development of China's urban agglomeration under the new development pattern Research on the education and teaching of ideological and political theory in universities under the background of "internet plus" Research on teaching reform and innovative talents training of history studies major in colleges and universities under the background of “double first class” Research on the development of moral education in universities in the era of big data