For a long time, mankind has never given up the continuous exploration of the ocean. The ocean accounts for 70% of the total area of the earth and more than 90% of the earth's living space. In fact, in the vast ocean world, the ocean affects the climate and weather phenomena on land. A large number of marine animals and plants are important food sources for human beings. The changes of the earth's oceans will directly affect our life on land, so it is necessary for us to detect these changes at an early stage. Exploring the bottom of the sea can also satisfy human curiosity and thirst for unknown knowledge. Only a small part of the world's oceans have been explored. Because the ocean is of great significance to human survival, the exploration of the ocean is very important.<br>
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