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Rebecca949 发表于 2012-3-23 09:56

BBC英语新闻2012.03.10

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They say the prototype will scoop up debris orbiting Earth and take it back into the atmosphere where it'll burn on re-entry._________________________________________________________.



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babi808 发表于 2012-3-23 12:01

Scientists in Switzerland have announced plans to launch special sitelight designed to clean up space.

wangpengziwu 发表于 2012-3-23 12:41

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chy001chy 发表于 2012-3-23 21:49

Scientists in Switzerland  announce plans to launch special satellit designed to clean up space.

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