Study on the construction of rural governance community in the new era Research on the construction of rural governance system in China Research on the construction of people's city in the new era Research on the construction of trade power led by innovation in the new era Study of construction of modern economic system in the new era Research on the reconstruction of rural public cultural space in the new era Research on the construction of ecological civilization of China in the new era 并列题名：Research on the construction of rural governance system in China Research on the construction of elderly care service system in the new era 并列题名：Research on the construction of trade power led by innovation in the new era