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。
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。
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