It encouraged landowners to plant belts of trees to slow the force of the wind and stop erosion.
它鼓励土地拥有者建造林带以降低风力和控制水土流失。
The low numerical value distribution of these two types trace elements in the Aeolian sand facies represents erosion and accumulation under wind force during the cold-dry climate.
这两种类型元素在风成沙中呈现的含量低值揭示了其时干旱寒冷气候作用下 风力的侵蚀 搬运与堆积作用；
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