The distribution of the most-subsided areas, lacustrine terrace and Quanternary fold is characterised by the diagonal symmetry.

第四纪最大沉降中心、湖积台地及第四纪褶皱分布呈对角对称。

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There are some softer accumulation horizon in the ox-bow lake and season river on the huge mucky soil of alluvial and lacustrine deposits in accumulation terrace around Dongting lake.

在洞庭湖漫滩阶地的冲湖积淤泥质软土上，分布着一些次级牛轭湖和季节性洪道成因的极软淤积物。

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Multi-level lakeshore piled terraces or base terrace, lake sediments and high level paleo-lacustrine sediments distribute in the Lake Zhaling and Lake Eling valley basin.

在扎陵湖和鄂陵湖谷地分布着多级湖岸堆积阶地或基座阶地、多级湖相沉积和古高位湖相沉积；

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