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走近科学【20140415】看点介绍
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走近科学20140415集剧情：第20140415集
“成草”的谜题 44岁的李玉玲教授研究冬虫夏草已有16年，她却几乎没找到过野生虫草。在玉树的国营农场山坡上，她的研究组每铲下去，竟都能找到可以形成虫草的活虫。
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