1) center line of highway
公路中线
2) the coordinates of the center line of road
公路中线坐标
1.
The process of calculation the coordinates of the center line of road and the method of calculation the Gauss-Legendre formula by linear element method is introduced,too.
阐明了线元法的概念及意义,介绍了利用线元法计算公路中线坐标的过程及Gauss-Legendre公式的计算方法。
3) highway route
公路路线
1.
Scheme optimization of highway route is an essential problem in highway route design,and is also the important tache in scheme optimization.
在公路路线设计中,往往存在多个可行方案,如何从众多可行路线方案中选取最优方案,是设计的关键。
2.
The specific quantization scheme based on the national economy evaluation of highway route selection will provide a feasible method for designers when they select highway routes through evaluating on national economy,and will be helpful for promoting the perfection and development of highway economy evaluation in China.
基于公路路线比选的国民经济评价而提出其具体的量化方案,可为设计人员利用国民经济评价选择路线方案提供方便可行的方法,共同促进我国公路国民经济评价的进一步完善和发展。
3.
The CAD technique of highway route is importance part of highway measure of modern, so that highway route is the main key in CAD technical development.
提出在 Auto CAD2 0 0 0图形支承平台下 ,使用 Auto CAD VBA及 Active X来进行公路路线纵断面 CAD系统的开
4) highway alignment
公路路线
1.
The existed shortage of highway alignment design based on design speed was analyzed.
针对目前以设计速度为依据的公路线形设计方法存在的局限性,将运行速度与设计速度同时加以考虑,在此基础上,根据在公路上汽车的行驶特性和公路线形设计的要求,提出基于运行速度的公路路线设计方法及设计流程,为公路几何设计指标选取和运行速度设计方法的应用提供参考。
2.
Two highway alignment design methods based on design speed and operating speed are introduced.
探讨了目前国际上采用的设计速度法和运行速度法两种公路线形设计方法,针对设计速度法存在的缺陷,借鉴国外的研究方法,并结合我国的实际,提出基于运行速度的公路路线设计方法。
3.
Based on GIS and genetic algorithm(GA),the intelligent optimization model of highway alignment has been built to address this problem.
公路路线优化属于多目标优化问题。
5) highway central line
线路中线
1.
On the basis of the highway central line curvature general model, the paper gives the general formula for the random point tangent azimuth angle computation, and the general mathematical model for the highway central line coordinate computation.
该文在线路中线曲率概括模型的基础上 ,推出了任意点切线方位角计算通式和线路中线坐标计算的通用数学模型 ,它适用于直线、圆曲线和各种情况的缓和曲线中桩的坐标计算 ,为线路中线的坐标法测设奠定了坚实的基
6) Sino-Nepal highway
中尼公路
1.
The Distribution and Characteristics of Debris Flowalong Sino-Nepal Highway;
中尼公路泥石流的分布规律与基本特征
2.
Due to the special local geological,geomorphological and climatic conditions along NieYou Section of Sino-Nepal highway,the natural hazards,posing potential threats to the highway,mainly including landslide,rock avalanche,debris flow and snowslide,are extremely severe,which are characterized with clusters,high frequency and periodicity and usually form disaster chains.
中尼公路聂友段地质、地貌和气候条件特殊,滑坡、崩塌、泥石流和雪崩等自然灾害十分严重,具有群发性、频发性、周期性,并形成灾害链,公路病害十分发育。
补充资料:背正中线
背正中线
背正中线 经穴定位线。又称后正中线,为督脉经行路线。分布大椎、陶道、身柱、神道、至阳、筋缩、中枢、脊中、悬枢、命门、阳关、腰俞、长强各穴。
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