In conclusion, Zhang Xiang said that he felt the students' anger towards him and the society, and he would reflect, but to save the society, everyone needed to work together to find a solution in a constructive way.frontier mining hosting, The Regulations propose to strengthen joint prevention and control in the Beijing-Tianjin-Hebei region. The municipal government should promote the establishment of a joint prevention and coordination mechanism with Tianjin, Hebei Province and surrounding areas for the prevention and control of emissions from motor vehicles and non-road mobile machinery. In accordance with the requirements of unified planning, unified standards, unified monitoring, and unified preventive measures, joint prevention and control must be implemented to implement the Responsibility for pollution prevention targets.frontier mining hosting, The focus of county economic development is on industrial transformation and upgrading. At this point, the top 100 counties also have certain experience and advantages. According to Ma Chengen, director of the County Economic Research Center of CCID Consulting, in terms of development momentum, the top 30 top 30 counties ’ total import and export trade, total retail sales of social consumer goods, and fixed asset investment have maintained stable growth; in terms of development potential, the top 100 counties are located The advantages are prominent and the industrial structure is good. The annual growth rate of the secondary and tertiary industries is higher than the key provinces and national averages of the same period.