Due to the seasonal freeze thaw erosion and particularity of erosion effect that little research work has been conducted on this aspect both at home and abroad.
冻融侵蚀的季节性和侵蚀作用的特殊性，使得国内外对这方面的研究开展很少。
In the seasonal frost regions, more attention is often paid to frost heave index in the aspect of prevention and cure of roadbed frost damage.
在季节冻土地区，防治路基冻害问题，强调较多的往往是室内冻胀指标，而对融沉指标考虑的较少。
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