Research on the development of Japan's old-age service industry from the perspective of effective demand Research on the development of cultural industry from the perspective of industrial convergence Case study to the development of modern service industry from the perspective of urban function enhancement Research on the development of cultural industries from the perspective of urban regeneration Research on the development of Hebei internet finance industry based on the perspective of finance agglomeration Research on the development of Hebei internet finance industry based on the pespective of finance agglomeration Research on the development of Hebei internet finance industry based on the pespective [i.e. perspective Research on the agglomeration development of Hainan tourism industry from the perspective of free trade port On the development of sports industry from the perspective of economics Research on export development of China's goods and services trade from the perspective of intellectual property protection