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1Coastal economic- social developmentand marine disasterThe ocean covers71 % of the earth’s surface.It is the cradle of life on earth,the treasure ofresources and an important adjuster of the environment.Now we have come to realize thatexploration of the
1Coastal economic- social developmentand marine disasterThe ocean covers71% of the earth’s surface. It is the cradle of life on earth, the treasure ofresources and an important adjuster of the environment. Now we have come to realize thatexploration of the