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二、三角洲演变的各种因素三角洲是河口一种堆积的地貌,有河口堆积才有三角洲的发育。河口堆积作用是三角洲形成和发育的最基本也是最必要的条件。为什么三角洲的演变模式各不相同呢?这就需要从三角洲演变的各种因素进行分析。
Second, the delta evolution of the various factors Delta is a kind of accumulation of the estuary landform, estuary accumulation of the delta development. The estuarine accumulation is the most basic and necessary condition for the formation and development of the delta. Why do the evolution patterns of the delta vary? This needs to be analyzed from the various factors of delta evolution.