1) ellipse
[英][ɪ'lɪps] [美][ɪ'lɪps]

椭圆;椭圆形
2) oval
[英]['əʊvl] [美]['ovḷ]

椭圆形[的],椭圆形
3) ellipse parts

椭圆形件
4) oval pipe

椭圆形管
1.
The forming method of oval pipe is introduced and the observed problem during strips transformation of different grade material with two different forming method.
介绍了椭圆形管的成型方法,并用两种不同的成型方式,说明了不同材质的带材变形时应注意的问题。
5) elliptic
[英][i'liptik] [美][ɪ'lɪptɪk]

椭圆形
1.
The frequency of elliptic plane cable-net under the large deformation is evaluated, the vibration equation of the prestressed elliptic cable-net is deduced with variational principle method considering the influence of geometrically nonlinearity.
对椭圆形边界的平面索网结构自由振动的主频率进行了研究,考虑索网结构大变形产生的几何非线性项的影响,用最小势能原理推导了非线性振动的微分方程,研究了线性振动频率、大振幅振动频率和大变形后小振幅的振动频率计算方法,并对3个频率进行了比较分析。
2.
Taking an elliptic fountain building in new century garden house project as a ease,this paper introduced the method and step of construction and setting-out that using coordinate calculation for elliptic building,the study showed that it can reach higher precision requirement,so as to extend the applation of the way.
以新世纪花园住宅项目中椭圆形喷泉施工放样为例,重点介绍了运用坐标计算法进行椭圆形建筑物施工放样的方法和步骤,研究结果表明,该方法可达到较高的精度要求,从而推广该方法的应用。
6) elliptical edge

椭圆形刃
1.
The problems existing in designing and manufacturing ball end milling cutters are analyzed, the forming theory and geometrical model for the elliptical edge of ball end milling cutters are proposed.
分析了球头铣刀平面形刃口曲线在设计和制造中存在的问题 ,提出了球头铣刀椭圆形刃口曲线的成形原理和几何模型。
补充资料:椭圆
椭圆 ellipse 二次曲线的一种。平面上到两个定点F1,F2的距离之和等于常数2a的动点的轨迹。这两个定点F1,F2称为椭圆的焦点,两焦点间的距离称为焦距(记为2c)。这个椭圆的标准方程为 ![]() ![]() ![]()
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参考词条