In fact, the earthquake is that the earth is the earths surface vibration.

事实上，地震是地球是地球表面的振动。

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Dryland does most in global carbon cycling because it occupies 40% of the earths surface.

干旱土壤占全球陆地总面积的40 %，因此，它在全球碳循环中占有重要的地位。

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But there must be some point on earths surface where the date changes from one day to the next.

但必须有一些点在地球表面的日期的变化从一天到另一天。

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