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| 提交者: | 时间:2019-06-20 16:45:07
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| oyRhdKZhMDRZAZvX |
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| 禄颅虏谩 |
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| SUdiWNuXew |
| 附注: | | I'm a member of a gym efukt Each of the winners received prizes from Google and its Science Fair partners: European science group CERN, LEGO, National Geographic and Scientific American. Ann Makosinksi,聽 a 15-year-old Canadian, won in the 15-16 age group for inventing a battery-free flashlight. Fourteen-year-old Viney Kumar from Australia won in the 13-14 age group for a system to signal emergency vehicles. And Elif Bilgin, a 16-year-old from Turkey, won the voter芒聙聶s choice award for her technique for creating bioplastic from banana peel.
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