Research on China's adjustment of social policies for migrant workers 并列题名：Research on China's adjustment of social policies for migrant workers research on school adjustment of children of migrant workers Research on the transformation of China's rural migrant workers Research on rights protection and service system of migrant workers Research on citizenization of migrant workers Research on the fair opportunity of migrant workers Research on the sustainable livehood of the first-cohort migrant workers 城乡流动的困与解：农民工子女的学校适应研究：research on school adjustment of children of migrant workers