cad 专八

You can create a 3D model within Photopia's CAD system and then analyze the model.

户可以运本软件内置的CAD来建立3D模型并加以分析。

The data measured by coordinate measuring machine can not been used directly for reverse elu gineering by general-purpose CAD software because of its litteriness。

由三坐标获得的数据具有一定的杂乱性，难以直接于通CAD软件的反求工程设中。

The best uniform approximation algorithm to approach the catenary suspension and the CAD system using this algorithm to design the catenarian dome of hot blast stove are described in the paper.

介绍了采最佳一致逼近法对悬链线进行逼近,以及运此算法进行热风炉悬链线拱顶设的CAD）。