Research of the agriculture production and development of urban and rural areas in ancient China 并列题名：Research of the agriculture production and development of urban and rural areas in ancient China Research on the transformation and development of urban and rural planning education in the new period Research on the balanced development of urban and rural education 并列题名：Research on the transformation and development of urban and rural planning education in the new period Analysis of the unbalanced development of urban and rural economy in China Research on coordinated development of urban and rural public facilities in China based on the coordinated development of urban and rural areas Research on coordinative development of urban and rural economy Research on the optimization and development of agricultural insurance system in China