The result shows that, this area develops several sedimentation systems including alluvial fan, fan delta, subsea apron, delta, channel and lake and volcanic rock body.
结果表明：该区下白垩统主要发育冲积扇、扇三角洲、水下扇、三角洲、河道、湖泊等多种沉积体系及火山岩体。
The isotopic evidence shows that the groundwater in the mountain apron and the Yellow River alluvial plain in Baotou plain has different groundwater circulation models.
同位素研究表明，包头平原中山前倾斜平原和黄河冲积平原区地下水具有不同的水循环模式。
The isotopic evidence shows that the groundwater in the mountain apron and the Yellow River alluvial plain in Baotou plain has different groundwater circulation models.
同位素研究表明，包头平原中山前倾斜平原和黄河冲积平原区地下水具有不同的水循环模式。
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