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chuang xin yu chuang zao
Pages: 16-18
Year: Issue:  10
Journal: Youths Science

Abstract: <正>候鸟识别方向的能力让人惊叹,也让人疑惑。在漫漫旅途中,它们是怎样保持飞行路线准确无误的呢?专家设想,鸟类可能是按照太阳来确定方向的,于是他们用惊鸟做了一个有趣的实验。专家们在露天建了一座中心对称的六角亭,每
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