the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet;
"flood control in the Missouri basin"
例句
用作名词 (n.)
In the Campania region, baseline and background values are often coincident, where the samples represent catchment basins away from urban or industrial areas. 在坎帕尼亚地区，样品代表的是远离市区或者工业区的汇水盆地，所以基线值和背景值经常是吻合的。
In the light of comprehensive geophysical method,the authors indicate that the San-shui basin is a fault one controlled by faulting. 本文应用地球物理综合研究方法，确定三水盆地是在受断裂因素控制下形成的一个断用盆地。
美
