particle sedimental accumulated curve

例句：

1. 1. The accumulation curve of thesediment shows that the river is gradually increasingin size.
   沉积物的累积曲线显示，河流正在逐渐扩大。
2. 2. The accumulation curve of thesediment indicates that the area has been affectedby human activities.
   沉积物的累积曲线表明该地区受到了人类活动的影响。
3. 3. The accumulationcurve of the sediment providesvaluable information for studying the evolutionof the region.
   沉积物的累积曲线为研究该地区的演变提供了宝贵的信息。