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number of important results. 

marine survey We are currently facing huge demographic challenges. Resources and Environment As we face increasing pressures and hardships, in the process of land development use development and managing other basic elements of the ocean surface has become a top priority. Human understanding of the oceans has been going on for a long time. ancient sailing And ocean exploration expands people's understanding of the surface. To promote the development of international trade, in the 19th century British researchers spent three years from 1872 exploring the world's oceans. to achieve a number of important results. which has inspired marine research around the world.

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