seasonal frozen soil 季节性冻土
seasonal frozen soil zone 季节冻土区
seasonal frozen soil area 季节冻土区
seasonal frozen soil layer 季节冻土层
seasonal frozen soil region 季节性冻土区
The existence of the seasonal frozen soil layer provides a favorable environment for the formation of the artificially frozen wall; also it changes the wall's configuration.
季节冻土层中的地温呈非线性分布，改变了冻土墙形成时的初始温度条件以及形成后的结构形式。
In this paper, a theory of non-equilibrium thermodynamics is applied to the ecologic system offorest in zone of deep seasonal frozen soil on Mt. Maxian.
本文采用非平衡态热力学理论，研究兰州马衔山深季节冻土区的森林生态系统，从研究森林演替入手得出生态环境演变的规律。
The results are of practical meaning to improve soil thermal regime and guide agricultural production in seasonal frozen districts.
研究结果对于改善季节性冻土区土壤热状况，指导农业生产具有实际意义。
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