Theory and practice of low carbon economic development in Karst mountainous areas Theory and practice of media platform economy development in the internet era Theory and practice of landslide and debris flow risk assessment in southwestern mountainous area Theory and practice of capital development in the new era Research on the quality of economic development in western ethnic areas theory and practice of the integrated development of urban and rural culture Theory and practice of low carbon rice farming practice in the modern economic development of the Western ethnic areas theory and practice of cultural creative products development in museum Change of economic development in rural areas