持续的轰击和内部压力使成长中的地球越来越热，导致其内部融化，较重的元素下沉形成地核。
Continued bombardments and internal pressures made the growing Earth hotter, causing its interior to melt and the heavier elements to sink and form Earth's core.
设计时应考虑相关现象的影响，例如下沉，上升，冰冻，融化，腐蚀等。
Where relevant, the design should include the effects of phenomena such as subsidence, heave, freezing, thawing, erosion, etc.
冻土融化时，由于冻土层冰融化和水的自由消散，使土体在自重作用下产生下沉。
In the process of soils thawing, the settlement of soils is induced by the effect of self weight, because of the thawing in frozen layer of soils and the free dissipation of water.
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