These latter are based on the position of our earth with regard to the sun.
气候的基本规律跟地球与太阳的位置密切相关。
The earth, on which our economies have always been based, is suddenly threatening our existence.
我们赖以生存的地球，却突然变成了威胁我们生命的东西。
Method of regional height transformation based on earth gravity field model;
描述了地球重力场模型和中国海及邻域重力异常的特征。
No Earth based telescope could ever take a similar picture.
地球上没有一台望远镜可以拍到类似的照片。
No Earth based telescope could ever take a similar picture.
地球上没有一台望远镜可以拍到类似的照片。
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