frozen soil strength

例句：

1. 1.The frozen soil strength is critical for the survival of plants in cold regions.
   冻土强度对于寒冷地区的植物生存至关重要。
2. 2.The engineers used advanced techniques to improve the frozen soil strength.
   工程师们采用了先进的技术来提高冻土强度。
3. 3. The researcher found that the frozen soil strength could be affected by various factors.
   研究人员发现冻土强度可能会受到各种因素的影响。