1·In an area where low temperatures are limiting to life, the importance of the additional heat near the surface is crucial.
在这样低温限制了生存的区域，近地表的额外热量至关重要。
2·Cement concrete pavement, however damaged, broken boards, cracks, surface loss occurred from time to time, thus limiting its highway projects on a wide range of applications.
然而水泥混凝土路面破损、断板、裂缝、表面脱落现象时有发生，从而限制了其在公路工程上的广泛应用。
3·This method overcome the problems of many supposition conditions in theory and difficulty in searching critical slip surface in 3D limiting equilibrium analysis;
该方法克服了三维极限平衡分析方法在理论上引入较多假设条件，且搜索临界滑裂面困难的问题；