alluvial plain

基本解释

The bending braided river is common in the alluvial plain, which water and sediment movement characteristics are complex.
弯曲分汊型河道在冲积平原河流中常见，其水沙运动规律较为复杂。
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。
Iraq has estimated population of 26 millions. Almost 75% of Iraq"s population live in the flat, alluvial plain stretching southeast toward Baghdad and Basra to the Persian Gulf.
伊拉克大约有2千6百万人口，大约有75%的人口住在平原。