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川中丘陵又称盆中丘陵,位于四川盆地东部,北起大巴山南麓,南达长江以南;西至龙泉山,东抵华蓥山,面积约为8.4萬平方千米。其为方山丘陵,低山广布,溪流纵横,海拔约为250—600米,相对高差不到100米,为四川省丘陵集中地区。由于受到沱江、岷江、涪江等河流切割,地表多呈现起伏状,并且河谷迂回。
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