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hai yang zhao zhuo lu di
Pages: 16-17
Year: Issue:  2
Journal: Ocean World

Abstract: <正>在海洋基本知识的测试中,只有16.8%的受访者能够准确描述地球上海洋的深度。海洋包围、分割所有的陆地地球上的海洋是相互连通的,构成统一的世界海洋;而陆地是相互分离的,故没有统一的世界大陆。在地球表面,是海洋包围、分割所有的陆地,而
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