Mountainous area provides rich saccharoid for basin, which is important parent material of oasis soil formation.

山地为盆地提供了丰富的粒状物质，它们是绿洲土壤重要的成土母质；

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Mountainous area provides rich saccharoid for basin, which is important parent material of oasis soil formation.

山地为盆地提供了丰富的粒状物质，它们是绿洲土壤重要的成土母质；

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