Research on the problems and countermeasures of participatory community regeneration in Shanghai 并列题名:Research on the problems and countermeasures of participatory community regeneration in Shanghai Research on the mechanism and countermeasures of local government debt risk in China Study on the problems and countermeasures of China's food security in the new era Research on the path and countermeasures of RMB internationalization Research on the factors and countermeasures of college teachers' network teaching 并列题名:Study on the problems and countermeasures of China's food security in the new era Research on the influence and countermeasures of financialization on the regional industry development in China Research on the dilemma and countermeasures of cultural communication in China's video game industry Research on the problems and optimizing countermeasures of intellectual property pledge financing