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沼泽地大多分布在地表低洼的地区。在这种地区,地势低平,积水较多,气温较低,蒸发量很小。形成沼泽的原因有两种:一种是在江河湖海的边缘或浅水部分,
Wetlands are mostly distributed in low-lying areas. In such areas, low-lying terrain, more water, lower temperatures, evaporation is small. There are two reasons for the formation of a swamp: one is on the fringe or shallow part of rivers and lakes,