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1·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。

2·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。

3·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。

4·The water tunnel of gravitational type is driven by the water's potential energy.

水洞种类之一的重力式水洞依靠水的势能来提供动力。

5·Glacial debris flow is a kind of debris gravitational flow deposits that result from the mix of moraines and ice snow melt water.

冰川泥石流是由冰碛物与冰雪融水混合形成的一种碎屑重力流沉积。