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海洋最深处为马里亚纳海沟。它位于北太平洋西部马里亚纳群岛以东,为一条洋底弧形洼地,延伸2550公里,平均宽69 公里。1957年,苏联调查船测到10990米深度,后又有11034米的新记录。1960
At the deepest part of the ocean is the Mariana Trench. Located east of the Mariana Islands in the western North Pacific Ocean, it is an ocean-bottomed arc-shaped depression, extending 2,550 kilometers and an average width of 69 kilometers. In 1957, the Soviet investigation vessel measured a depth of 10,990 meters, followed by a new record of 1,034 meters. 1960