Research on Sustainable Development of Marine Economy in Dalian

Whether sustainable development of marine economy was achieved or not,it didn′t only depend on the rationality of the industrial structure of marine economic system,but also depend on the internal coordination.In this paper,the rationality of Dalian marine industrial structure was analyzed from the angle of static and dynamic.And analyzed the sustainable development of marine economy in Dalian by the principal component analysis,then put forward the relevant countermeasures of the sustainable development of marine economy,which included handling the relationships of marine development,promoting and optimizing industrial structure and so on.