ancient peat swamp 古泥炭沼泽
Most ancient peat forests die gradually, leaving only spotty evidence of what grew there.
大多数古代的泥炭森林都逐渐消失，只留下曾经存在过的零星证据。
The geologic issues of land subsidence include ancient land subsidence, peat sinking, land subsidence due to liquefaction and sea level rise.
地面沉降地质因素介绍了古代地面沉降、泥炭层沉降、地震砂土液化地面沉降和海平面上升研究状况。
Holocene peat layer and ancient ruins are characteristics of dispersed and accumulated, out of dissimilar side have proved Was undergo transgression in the Tai-hu Lake plain.
而全新统泥炭层与古遗址的分布、堆积等特点，则从不同的侧面证明本区曾经海侵。
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