This discovery shows a wide distribution of the traces indicating human activities in Qujiang area at the same period of the Maba man.
这一发现说明在马坝人生存的同一时间内，在曲江地区人类活动的踪迹分布是相当广的。
The distribution of expansive soil in China is very wide, especially in NanYang, expansive soil area occupies 65 percent of the total area.
我国膨胀土分布广泛，尤其在南阳地区，膨胀土分布面积占整个南阳盆地的65%。
Montmorillonite is a large surface area and wide distribution clay mineral, it is also one of main activated components in soil.
蒙脱石矿物是土壤中比表面积大、分布很广的一种粘土矿物，也是土壤中主要的活性组分之一。
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