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  1. ... the possibility of direct manipulation of individual atoms as a more powerful form of synthetic chemistry than those used at the time. 大概是說 There's Plenty of...

    分類:科學 > 其他:科學 2010年02月05日

  2. ..., some even longer than a human palm. the teeth have... the largest and most powerful of all dinosaurs. This... cavernous mouth is even more terrifying, with two rows...

    分類:科學 > 其他:科學 2005年12月23日