Studies on rural social pension insurance system in China 并列题名：Studies on rural social pension insurance system in China Study on basic social insurance system of China Study of the scoial pension security system in China Changes of rural social endowment insurance system Study on deposit insurance system in China Research on rural social security legal system in China 并列题名：Study on basic social insurance system of China Research on the deposit insurance system in China 并列题名：Study of the scoial pension security system in China