The seasonally frozen ground can be divided into intergradation, semi-intergradation, long-term stability and stability.
可把季节冻土分为过渡型、半过渡型、长期稳定型和稳定型等类型。
This study will provide significant instruction for the construction of artificial ground freezing, especially in seasonally frozen ground.
研究结果将为人工冻结实际工程，特别是在季节冻土区的人工冻结工程提供重要的理论指导。
It is shown from the results that seasonally frozen ground evidently influences site dynamical characteristics and seismic security of tank.
结果表明：季节性冻土层的存在明显地影响着场地动力特性，进而影响储罐的抗震安全性。
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