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一天之中什么时候最冷

Discussion in 'SEO 专区' started by aaaabl, Dec 23, 2010.

  1. aaaabl

    aaaabl New Member

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    一天中，最低气温出现在日出前后。
    地球绕日公转轨道是一个接近正圆的椭圆，太阳位于椭圆轨道的一个焦点上,这样在一年内、乃至在一天内，日地距离都在不停的变化之中
     
    #1 aaaabl, Dec 23, 2010
  2. xue0020

    xue0020 New Member

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    不知道啊~
     
    #2 xue0020, Dec 23, 2010
  3. seokai

    seokai New Member

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    好像是哦。
     
    #3 seokai, Dec 23, 2010
  4. 烟火是一种很浪漫的姿势

    烟火是一种很浪漫的姿势 New Member

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    应该是吧！！！！
     
    #4 烟火是一种很浪漫的姿势, Dec 23, 2010
  5. zhixuan

    zhixuan New Member

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    地理常识，也是生活常识
     
    #5 zhixuan, Dec 24, 2010
  6. 音姬

    音姬 New Member

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    在我诧异的眼神里，他腼腆地笑了笑。
     
    #6 音姬, Dec 24, 2010
  7. mangguoyixia

    mangguoyixia New Member

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    是哪一天呢？
     
    #7 mangguoyixia, Dec 24, 2010
  8. mangguoyixia

    mangguoyixia New Member

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    找不到答案哦
     
    #8 mangguoyixia, Dec 24, 2010
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