7、onoftheinternationaldivisionoflabor.Thisessayarebasedonthisstartingpointtodesign.This research could be arttributed four parts.First,the introduction and the t-heory. The purpose of the study is the research objective, method and the idea , rev-iew the previous res
8、earch results, and summarized the existing intra-industry trad-e theories .The second part is some evidence, To analyze the development of China-