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。
It illustrates the meaning and suitable condition with comparison between this formula and other common embankment critical heights for soft soil and marshy ground.
通过该公式与目前常见软土地基路堤临界高度公式比较，说明了其意义和适用条件。
It illustrates the meaning and suitable condition with comparison between this formula and other common embankment critical heights for soft soil and marshy ground.
通过该公式与目前常见软土地基路堤临界高度公式比较，说明了其意义和适用条件。
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