| From the mid-1960s to the late 1970s,considering of ensuring China security,China has launched a large-scale construction at the core of defense science industry and the basic facilities of traffic project being built,which is famous as the third-line construction.Due to its advantage of being located in the transportation hub of the west,rich in natural and mineral resources and so on.Mianyang is an important part of the state’s third-line construction in Sichuan,also one of the four key cities in the later stage of third-line construction.The third-line construction of Mianyang has basically the same step with the state,including the climax,the shrink,the adjusting and reconstructing.The third-line construction in Mianyang set up more than fourty projects successively,which made a great contribution to develop the defense science,support the comprehensive development of science,technology and industry,lay the solid foundation to Mianyang as national science and technology city.By combing the third-line construction and analyzing the impact on the city’s development,mining its valuable historical experience and spiritual wealth left,It is of great significance to provide reference and guidance for the development and construction of Mianyang and other related regions in the new era.The paper includes four chapters.the first chapter is the introduction,which state the background and significance,discusses the research summary at home and abroad,the purpose,the contents and the methods of the paper.Chapter 2 includes theory origin and the process of The third-line construction.Firstly,the paper expounds the decision-making background of three-line construction from Marxism and its theoretical basis of sinicization,the international and domestic considerations.Then do the combing research on the process of the third-line construction,including the phased implementation of third-line construction,as well as the subsequent adjustment and transformation.Chapter 3 studies the implementation and impact of The third-line construction in Mianyang,summarize its construction and development which including overall program,four major industrial categories and so on.This chapter also analyze the impact on the construction of Mianyang from the the aspects of economy,society,culture and so on.at the end of this chapter,make a summary of the characteristics of the third-line construction.Chapter 4 studies how to further release the third-line construction dividend in Mianyang,mainly about how to summarize its lessons and experiences to provide enlightenment for the construction to the new era,study the changes of third-line projects to provide reference for the path of military-civilian integration,how to carry forward The third-line construction spirit to provide power to practice the core socialist values,add brick and tile for the development and utilization of industrial heritage. |