并列题名：Impetus and direction of development mode reform of coal industry in the new period Impetus and direction of development mode reform of coal industry in the new period 并列题名：Research on the supply-side reform of tourism industry in the new era 并列题名：Research on the transformation and development of urban and rural planning education in the new period 并列题名：Several important issues of the development of Ningbo logistics industry in the new era