Study of the development path of the publishing industry in the era of internet+ Study on the development of service industry in metropolitan a study on the development path of the Guangxi investment group Research on the development path of new material industry in Zhejiang province Study on the development of the modern service industry of the Western Regions in China a study on innovation and development of mega television industry in the era of media convergence a study on the development path of China information service industry Study on the development strategy of modern service industry in western China Study on the development of oat industry in China Study on the development path of Jiangxi tourism industry