There is a vast area covered continuoursly by carbonite in southwest china , where it is very rich for groundwater resources and exists large zones lack of water and regions of desert rock because of the uneven distribution of groundwater 摘要中国西南地区碳酸盐岩大面积连片分布，地下水资源总量丰富，但分布极不均一，存在大片干旱缺水区和石漠化地带。
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