1) vertical curve
竖曲线
1.
The operation of using vertical curve in the measure and set up of circular curve;
竖曲线在圆曲线测设中的应用
2.
The test, installation and repair of vertical curve of open deck;
明桥面竖曲线测设与整修
3.
On the influence of the vertical curve of roads on the deck elevation for the precast T beam bridge
道路竖曲线对预制T梁桥桥面标高的影响
2) profile tangent
竖曲线切线
3) circular vertical curve
圆曲线型竖曲线
4) vertical curve section
竖曲线地段
1.
The paper discusses the setting of contact wire sag in vertical curve section of high speed railway and determines actual value reserved for contact wire sag in vertical curve section while implementing the calculation of droppers after actual site measurement in order to guarantee the quality of current collection by pantograph and OCS.
本文针对高速铁路竖曲线地段的接触线弛度的设置进行了探讨,并通过现场实测,在吊弦计算时确定出竖曲线凹凸区段接触线弛度预留的具体量值,以保证良好的弓网受流质量。
5) transition vertical curve
缓和竖曲线
1.
Research on inverse design of transition vertical curve;
缓和竖曲线的反演设计研究
补充资料:Hesse曲线(代数曲线的)
Hesse曲线(代数曲线的)
Hessian (algebraic curve)
11油限曲线(代数曲线的)【H台自11(.妙如允.抖e);recc咖,T~aaa,即r药pa一吸ee二o‘二p.助蓝] n次代数曲线(司罗玩水c~)的He丈祀曲线就是其极二次曲线能分裂为两条直线的点的集合,也是第一极曲线的二重点构成的集合.n次非奇异曲线的He丈七曲线是一条次数为3伪一2)、类为3(n一2)(3n一7)的曲线.设介O是这条n次曲线的齐次坐标方程,关丘=刁:f/刁xi刁、,则它的He丈犯曲线的定义方程为 !不:关:五,} }五:关:五31=0. }人,人2人3}特征不等于3时的三次非奇异曲线的H既七曲线与这条曲线交于9个通常拐点.因O.H改e(l 844)而得名. A .E.H困阳。B撰
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参考词条