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初二下冊語文第三單元作文:最新科技成果三則700字
初二下冊單元作文

        發現大腦中有個引路人人的大腦就像一塊高級集成電路,那數以千億計的神經纖維怎樣才能有序排列,各行其道?最近,中科院上海生命科學研究院神經科學研究所的博士袁小兵等人在大腦中發現一個“引路人,它能指引神經纖維沿著正確的路線“前進,不致走上“岔道。這個“引路人叫Rho 小鳥苷三磷酸    (共 716 字)     [閱讀本文] >>

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