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 <description><![CDATA[Latest 20 replies of 科学模型解释火星岩石滚动机理]]></description>
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 <description><![CDATA[研究人员表示，这项工作有助于增加人们对现存火星沙丘活动的认识]]></description>
 <link><![CDATA[http://www.scifans.com/read.php?tid=1544384#25764534]]></link>
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 <category><![CDATA[数理科学]]></category>
 <pubdate><![CDATA[Sun, 08 Nov 2015 04:55:57 +0000]]></pubdate>
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