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。
The distribution of the most-subsided areas, lacustrine terrace and Quanternary fold is characterised by the diagonal symmetry.
嘉兴地区为典型的湖积平原，第四系地层具有多个明显“软-硬”交替的沉积旋回。
Jiaxing area belongs to representative lacustrine plain zone. Its Quaternary period stratum has several evident sediment cycles "soft to hard".
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。
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.
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