The study reveals that the formation of dried soil layer is mainly caused by natural factors due to the reduction of precipitation and gravitational water.

研究表明，土壤干层的形成主要是自然原因造成的，是降水量少决定的重力水带分布深度小引起的。

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The causes of gravitational erosion and water erosion and suggested countermeasures are also discussed.

分析了该区土壤重力侵蚀、水力侵蚀的成因，提出了防治的对策措施。

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Coarse sand in the Yellow River mainly comes from sand rock area, Inner Mongolia, water erosion, wind erosion and gravitational erosion occur interactively in this area.

内蒙古砒砂岩地区是黄河重要的粗沙来源区，该地区具有水蚀、风蚀及重力侵蚀交互的特点。

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In this case you store electricity as the potential gravitational energy in the weight of water.

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Tide: periodic rising and falling of large bodies of water resulting from the gravitational attraction of the moon and sun acting on the rotating earth.

UNESCO: L O S S A R Y

Punjab's robust canal system offers the chance to reclaim much of the power (part of which comes from diesel-fueled generators) used to draw up irrigation water beyond that available from gravitational flow.

FORBES: Magazine Article