In the process of analyzing ice crystal and ice lens, frozen heave mechanism is studied.
在分析冰晶体与冰透镜体的形成过程中，对土体的冻胀机理进行了分析；
As to the phenomenon of secondary frost heave, the behavior of water flux in frozen fringe is one of the major subjects to study.
在次级冻胀现象中，对处于已冻土和未冻土之间的冻结缘地带，研究其中的水分迁移是一个重要的课题。
By regarding testing mechanics behaviors of frozen soil frost heave as the research background, a hydraulic force control system was designed on the basis of valve control asymmetric cylinder.
以测试冻土冻胀的力学行为为研究背景，设计了一套基于阀控非对称缸的液压力控制系统。
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