研究结果可为季节性冻融区冬春灌溉合理技术参数的确定提供参考依据。
The results would provide basis for determining reasonable winter and spring irrigation parameters in seasonal freezing-thawing areas.
认为土壤胀缩运动主要决定于土壤粘粒的含量，同时季节性冻融作用与干湿交替作用是导致土壤胀缩运动的直接因素。
Moreover, seasonal freezing and melting and seasonal drying and wetting are the direct factors causing soil to expand and contract.
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。
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.
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