文章由系统工程原理出发，以层次分析法建模，并将模糊信息加入智能居住小区的评级。
Based on principles of system engineering and analytic hierarchy process modeling, the grade classification of intelligent residential zone by fuzzy information is presented in this paper.
利用反求工程可以实现修复体的三维重建，激光扫描法可以快速收集修复体的三维表面信息，精度高，并且没有测量盲区。
Reverse Engineering can be used to reconstruction the prosthesis. The 3d surface information of the prosthesis can be collected by the laser scan system and there is no blind area.
介绍了一种基于机械工程图的零件信息描述的方法单元型面描述法，并给出了一个应用实例。
Taking a stepped shaft as example, the paper shows the part information expressed with the part description model based on ontology can describe the part rationally and effectively.
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