Second, main achievements in the freeze-thaw research are introduced and the changes of the property of soil and the soil erodibility affected by freeze-thaw are analyzed .
介绍并简要分析冻融作用对土壤性质的改变及对土壤可蚀性影响的主要研究成果；
All these changes may in turn cause the changes of mechanical property of the soil mass.
这些变化进而可能导致土体的力学性质改变。
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