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1·The fault uplift zone was a drainage divide within the fault depression, developing fluvial-delta systems on its two sides.

断陷内部的断隆带起到分水岭的作用，两侧分别发育河流-三角洲体系。

2·If you are trying to manage it, you must first divide your area of concern into drainage basins.

如果你想要操控水，你必须先把那些你所关注的地区划分成一个个地势上的盆地。