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科技苑【20140522】看点介绍
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科技苑20140522集剧情：第20140522期
零下二三十度，不用烧煤加热，温室靠什么种出黄瓜? 奇特的折线拱梁，为什么能让温室一天都阳光灿烂? 薄薄的三层保温被，保温效果为什么能顶两米多厚的砖墙? 与记者一起探访，新型温室里的秘密。2014/5/22 18:30首播，《科技苑》之《用的就是免费的阳光》
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