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值是0.624，说明流域盆地形状大概是椭圆形；
E value was 0.624. The drainage basin shape might be elliptical.
世界上最主要的流域盆地对于来年加倍食品产量起着至关重要的作用。
The world's major river basins may hold the key to doubling food production in the coming years.
流域盆地的风化作用指数由北向南逐渐增加，这与世界上其它地区十分相似。
Also, the weathering indices which is a ratio of the stable to active elements, increases from the north to south, indicating the control of weathering on river chemistry.
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