Engineers superimpose the original CAD models over actual buildings to determine which bits of the model need to be updated, or which parts of the building need to be rebuilt.
工程师们将原始的CAD模型叠印于实际的建筑上，以此来定夺模型的哪个部分需要被改进，或者建筑的哪个部位需要被重建。
Preprocessing of "points cloud" data and surface reconstruction are the critical technology of reverse engineering and are the premises of building product CAD model.
“点云”数据的预处理和曲面重建技术是反求工程的关键技术，是产品CAD模型建立的前提。
Based on geological model of deposits and by means of CAD method, the authors put forward the building method of layered opencast mining geological model, whose layers are composed of bench.
本文提出了在矿床地质模型的基础上，应用CAD技术。建立以台阶为单元的分层式矿床开采地质模型的方法。
The finite element modal analysis of an effective model has been done after building up its analytic model by applying modern CAD techniques.
利用现代CAD技术建立有效的有限元分析模型，并在此基础上对其进行有限元模态分析。
Virtual Architecture is defined as the 3D model of building, which employ both CAD utensils and Graphics technology.
提出了针对机载激光雷达点云的建筑物三维模型提取方法。
The three-dimension model is set up for auto-bumper by the UG three-dimension CAD software, and the model is translated into the DYNAFORM for building its FEM model.
利用UG三维CAD软件对汽车保险杠进行了三维建模，并转换到Dynafor中建立了该零件的有限元分析模型。
Virtual Architecture is defined as the 3d model of building, which employ both CAD utensils and Graphics technology.
虚拟建筑是指使用CAD工具和真实感图形绘制技术建造的三维建筑模型。
We build the three-dimension numerical model for the automobile's side frame outer panel by the CAD software, UG and translate it into the DYNAFORM for building its FEM model;
使用UG三维CAD软件对汽车侧围外板零件进行三维建模，并转换到Dynaform中建立了侧围外板零件的有限元模型；
By inducting 4d-cad and building information modeling technologies, a safety analysis model and system framework were proposed in this paper based on the summarization of current analysis methods.
本文在总结现有施工期时变结构安全分析方法的基础上，引入4d -CAD和建筑信息建模技术，提出了基于4d信息模型的施工期安全分析模型和系统架构。
Date processing is the key of the rapid Prototyping, CAD building-up is the basis of date processing. How to rapidly build up 3d model has directly impact to the efficiency of the rapid Prototyping.
数据处理是快速成型的关键，而CAD模型的建立则是数据处理的基础，如何快速的建立三维模型直接影响到快速成型的效率。
NC machining simulation integrates manufacturing technology, machine numerical control theory, computer aided design (CAD), computer aided manufacturing (CAM), model building and simulation.
数控加工仿真集制造技术、机床数控理论、计算机辅助设计(CAD)、计算机辅助制造(CAM)、建模与仿真技术于一体。
NC machining simulation integrates manufacturing technology, machine numerical control theory, computer aided design (CAD), computer aided manufacturing (CAM), model building and simulation.
数控加工仿真集制造技术、机床数控理论、计算机辅助设计(CAD)、计算机辅助制造(CAM)、建模与仿真技术于一体。
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