提出了一种基于曲面局平特性的，以散乱点集及其密度指标作为输入，以三角形分片线性曲面作为输出的拓扑重建算法。
An algorithm for topology reconstruction is promoted that takes as input an unorganized set of points with known density and carries out as output simplicial surfaces.
本文通过设计一个软件界面，输入三维散乱点的集合，输出为由三角网格组成的物体的表面。
This paper designs a software interface, it takes 3d scattered points as input and triangle mesh as output.
随着焊接热输入量的增加，由于熔池搅拌、焊接应力、合金元素烧损等原因，马氏体的分布更加散乱和密集；
By increasing the weld heat input, the distribution of martensite becomes more dispersive and glomerate due to the molten pool stiring, the welding stress and the burning loss of alloy elements.
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