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2018-10-10 20:12:38
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| skos:scopeNote |
trench:A long, relatively narrow cleft in the ocean floor.——Oxford English Dictionary
trench:a long narrow hole dug into the surface of the ground.——Longman Dictionary of Contemporary English @en
深度超过6,000米的狭长的海底凹地。两侧坡度陡急，分布于大洋边缘。如太平洋的菲律宾海沟、大西洋的波多黎各海沟等。——《汉语大词典》
@zh
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| skos:prefLabel |
海沟
@zh
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