Research on the democratization of China's cadres selection Research on the revitalization of rural education Research on the stratification of China's bond market Research on the optimization of China's foreign trade structure Research on the history of China's animation Research on the rralization forms of Chinese rural collective'economy Research on the international cooperation of China's social security Research of the legislation of China's debt collection industry Research on the evolution of China's labor market in transition Research on regional innovation of Chinese modernization