1.There are two key techniques in reverse engineering, the numeralization and surface reconstruction of 3D objects.

1.三维物体的数术及曲面重构术是程的两核心问题。

2.Hereinto, the numeralization of 3D prototype is the firstly important process.The accuracy of the objects’ numeralization will influence the quality of the digital reconstruction of the objects.

2.三维原型的数术是程中的首要环节，其得到的原型数据精度将直接影响到重建模型的质量。