提出了摩托车关键零部件的参数化建模方法，并建立了车架的三维参数化模型，为实现摩托车关重零部件数字模型的重用奠定了基础。
Bring forward the method of parameter feature modeling of key parts of motorcycle and established the parameter frame of motorcycle. This work is the basis CAD model reusing.
理论计算结果表明，利用这种参数化建模方法完成的PD C钻头三维布齿模型是精确、可靠的。
The theoretical calculation result indicates that the three-dimensional tooth arrangement model of PDC Bit's with the parameter method is precise and reliable.
在dcl界面利用标准结构的三维实体模型实现图形库的可视化，原型图的参数化引入了特征参数。
In the DCL interface, graph data videotex has been realized by using standard three - dimension object model, stamp parameter has also been introduced.
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