2) longitudinal slope section
上下坡路段
1.
The operating speed predicting model of trucks on freeway s longitudinal slope section was established based on vehicle s dynamics theory and operation theory,shifting performance and braking performance.
基于汽车动力学原理和汽车行驶理论,利用货车上坡动力性能、换档行为和下坡制动性能分别建立了高速公路上下坡路段货车的运行车速理论预测模型。
4) continuous upgrade sections
长大上坡路段
1.
However, due to the limits of the mountainous area highway\'s terrain, topography, complex geological conditions, environmental protection , construction difficulties and other factors, designers have to use the larger slopes or the longer slope lengths to make the mountainous area highways continuous upgrade sections.
但是由于山区高速公路地形、地貌、地质条件复杂,环境保护工作难度大,工程施工困难等因素的限制,不得不采用较大或较长的纵坡,形成了山区高速公路长大上坡路段,致使大型车辆运行在这些坡段时速度会发生较大的变化,对高速公路的通行能力和交通安全产生很大的影响。
5) upgrade and downgrade segment
上下坡段
6) Long Slope Road Section
长坡路段
1.
A Survey on the Traffic Safety of Long Slope Road Section in Mountainous Areas and Its Control Measures;
山区公路长坡路段的交通安全勘察与治理
补充资料：上坡雾
上坡雾（up-slope fog）是湿润空气沿着山坡上升时，因绝热膨胀冷却而形成的雾。
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