Taking its development in Baoding City as an example, we introduced service fields of rural cooperative economic organized united association. It mainly include
The grey relevance analysis is applied to study the 1996-2009 output value structure of China forestry system. Based on GM(1,1) model, information model is esta
According to the relevant data from Chinese Statistical Yearbook, the overall agricultural structure and the internal structure of agriculture in Yimeng Mountai