2) gentle curve length
缓和曲线长度
1.
Combining practice design work, author discusses the factor to affect gentle curve length andgentle curve length in different condition in high grade wad.
本文就作者在实际设计工作中,对影响高等级公路缓和曲线长度的因素和不同条件下缓和曲线长度采用问题进行了论述。
3) transition curve with differed length
不等长缓和曲线
1.
The paper discuss about the horizontal curve of the transition curve with differed length frequently used in the design of highway and city road construction,and it also states the coordinate calculation method by using the horizontal curve basis of the transition curve with differed length.
讨论公路与城市道路设计中常用不等长缓和曲线的平曲线 ,以及利用不等长缓和曲线平曲线要素的坐标计算方
4) easement curve
缓和曲线
1.
Coordinate Calculation of Easement Curve Center and Side Stakes Using VB;
使用VB编程实现缓和曲线中边桩坐标计算
2.
A constrained optimization method for deciding easement curve length in the raising operation speed of the existing railway;
既有线提速时缓和曲线长度的最优化算法
3.
Accuracy analysis of coordinating calculation of easement curve;
缓和曲线坐标计算的精度分析
5) spiral curve
缓和曲线
1.
Research on characters and calculation of arc length about parallel sidelines of spiral curve;
缓和曲线的平行边线的性质及弧长计算研究
6) adjustment curve
缓和曲线
1.
The method of round or adjustment curve suruey and design is laying geometer out the angle bisector according to cosine the ormern.
全站仪安置在分角线上任意点测设圆曲线,以及缓和曲线原理是根据余弦定理,全站仪测设方法是应用极坐标法进行测设曲线。
2.
On basis of the features of the center line of the railway alignment,the author describes the methods of calculation and treatment of the lateral movement of the adjustment curves and the center line of the railway alignment at curved section,placing emphasis on the derivation of the calculation formula of the transition of the curves.
根据线路中线的特点,介绍了线路平面缓和曲线和线路中线在曲线地段侧移的计算和处理方法。
3.
On the basis of the study of the chevron alignment sign home and abroad, the placing of chevron alignment sign is discussed by the method of tangential protrusion in distance on rural high-level road with adjustment curve.
在国内外关于线形诱导标志的研究基础上 ,按照切线支距法 ,对我国山区高等级公路含有缓和曲线路段的线形诱导标志设置进行了探
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
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条