查询词典 cad

It''s composing of dafeng hongyang heavy industry machinery co., ltd and dafeng hongyang casting factory. the factory is located in the ocean of hangnail. many years the company has attracted a lot of the designer, technical workers, equip with high advanced cad of computer backup system.

下属大丰宏扬路桥重工机械有限公司、大丰市宏洋铸造厂两个企业，工厂位于美丽的黄海之滨，多年来汇聚了一支专业技术队伍，配备先进的cad计算机辅助系统、计算机模拟测试系统和德国进口光谱分析仪器。

All quadrilateral mesh automatic generation for regular quadric surfaces based on Auto CAD AME;2. Represent Quadric Surfaces Using NURBS and Calculate the Control Vertecs and Weights;3. Through study,the property is found out that planes cutting edgewise quadric curve and quadric intersections from the quadric surfaces become the harmonic division.

文中采用了射影几何的方法，证明了画法几何中关于两个二次曲面相交的著名的复切定理和蒙日定理，通过研究得出了周切线平面和交线平面成调和分割的性质，同时还得出了处于复切的二次曲面必存在相公切的二次曲面的性

How to use CAD, helical gear design and painting.

详细说明：如何使用CAD，斜齿轮的设计与画法。

Being formed by linear grain curved surface, helicoid can be expressed by a group of simple lines. Writing two equations of inside and outside of the helicoid, getting any one of simple line′s equation and from which getting the coordinations of two end points by projection transformation, the CAD system of helicoid is achieved. It...

由于螺旋面为直纹曲面，因此可用它的一组素线表示，用极坐标的形式写出内外两条螺旋线的方程，求出任一素线的方程，并通过投影变换求得素线上两端点的坐标矩阵，进而设计出螺旋面的CAD系统，并将其应用于实践，为设计优化决策提供有力的证据。

The heritable basis is increasingly recognized as a crucial component in the development of CAD.

遗传学基础在冠心病的发生发展中起着至关重要的作用。

The practical CAD technology to manufacture high accuracy relief grinding cutter s is put forward.

提出了方便快捷地加工高精度铲磨刀具的CAD实用工艺，给出了改善刀具切削性能和增加重磨极限的方法及计算实例。

The company has first-class die design, use of CAD / CAM technology, with high-caliber technical workers, excellent equipment, advanced management.

公司拥有一流的模具设计人员，采用CAD/CAM技术，拥有高素质的技术工人、优良的设备、先进的管理。

Based on the MDT of AUTOCAD the 3-D solid CAD software for the gear hob has been designed in this paper.

介绍了在MDT上实现齿轮滚刀的三维实体的计算机辅助设计的方法。

Cup drawing die has been used widely in automobile, tractor, airplane, horologe, electrical appliance and instrument products. It is important to study and develop three-dimensional CAD system of cup drawing die.

筒形件拉深模具在汽车、拖拉机、飞机、钟表、电器和仪表产品中，均有广泛应用，研究、开发三维筒形件拉深模CAD系统，对于提高模具设计效率和质量，推进模具CAD的普及和发展，具有重要意义。

This work is valuable to enhance the CAD level of sock pattern design and productivity of a computerized hosiery machine.

研究成果对于丰富袜品花型的计算机辅助设计，提高电脑袜机的生产效率具有实用价值。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。