为使路线交叉连接部处纵面线形平顺过渡，介绍了一种纵面坡度设计方法。
This paper introduces a method of longitudinal slope design for vertical alignment smoothly transition.
探讨了面向对象、面向功能的公路及立交纵面线形交互式图形CAD软件开发方法。
The developing methods of object oriented and function oriented interactive graphic highways and interchanges' vertical alignments CAD software are researched.
路面改建工程的纵面线形设计，需充分把握路面、桥涵等专业的设计方案并灵活运用规范。
The longitudinal linear design of road reconstruction works needs to learn the professional design plan of road and bridge and use the norm flexibly.
而山区公路分离式断面路线设计的重点是纵断面设计，在纵断面线形设计中通常使用两项控制参数：容许最大纵坡和最大容许坡长。
The emphasis of montane highway design is vertical alignment's design, there are usually two controls parameters: concessional maximal longitudinal and concessional maximal length of grade.
而山区公路分离式断面路线设计的重点是纵断面设计，在纵断面线形设计中通常使用两项控制参数：容许最大纵坡和最大容许坡长。
The emphasis of montane highway design is vertical alignment's design, there are usually two controls parameters: concessional maximal longitudinal and concessional maximal length of grade.
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