Wetlands are areas of marshy, swampy land, areas where water covers the soil, or is present either at or near the surface of the soil for a large part of the year.

湿地是指多沼泽的区域，软而湿的陆地，一年中的大部分时间有水覆盖着土壤、或是有水存在于土壤表面或接近土壤表面的地方。

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Peninsular, island and archipelagic countries such as Indonesia, Malaysia and the Philippines lack vast tracts of flat, swampy land.

印尼、马来西亚和菲律宾分别是半岛、岛屿和群岛国家，缺乏大面积的湿地平原。

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A drawing model of slumping salvage was designed, and a preliminary analysis on drawing salvage is performed through slumping salvage tests in swampy land.

设计了陷落体救助模型系统，进行了沼泽湿地陷落体救助室内试验研究，对救助拉拔过程进行了初步的探讨。

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Such land is prevalent in Bangladesh, which has many low-lying, swampy areas.

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