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na mi bi ya jing ling guai quan
Author(s): 
Pages: 15
Year: Issue:  10
Journal: xi jiang yue

Abstract: <正>最近,南非研究学者通过深入研究发现,关于纳 米比亚“精灵怪圈”成因的三种主要理论解释都站不 住脚,一一被轻而易举地推翻,怪圈之谜仍然困扰着 科学家。 “精灵怪圈”是南非纳米比亚沙漠西部沿海地区的 一种独特现象,怪圈直径2-10米不等,圈内尽是沙土 且寸草不生,圈周围却长有茂盛的野草,这在资源匮 乏的沙漠中无疑显得相当醒目。
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