In the light of using top down method in the design of product with CAD, a method of feature design, which chooses proper shape feature as the datum for next design step, is presented.
针对自上而下的计算机辅助机械产品图形设计，提出了适应这种设计思维的特征设计方法，即选择合适的形状特征，作为进一步的详细设计的基准。
The basic feature and design method of MMW TWTs electronic optics system are analyzed in this paper.
分析了毫米波行波管电子光学系统的基本特征和设计方法。
In this paper, parametric design method based on feature parameters of drawing elements is discussed.
在本文中作者讨论了基于图形元素特征参数的参数化设计方法。
应用推荐