So it is extremely significance that CAD model reconstruction in body reverse design.
因此，车身反求设计中的CAD模型重建就显得至关重要。
The point cloud segmentation is an extremely essential step in the reverse model design. The segmentation results will affect the surface fitting and the CAD model reconstruction quality directly.
数据点云分块是逆向工程中一个非常关键的环节，测量数据的分块结果将直接影响到曲面拟合及CAD模型重建的质量。
The model of CAD system is constructed after analyzing the actuality and process of heat-exchange equipments' design in refrigeration industry.
本文通过分析目前制冷行业换热设备设计的现状和流程，构建了换热设备CAD系统的系统模型。
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