Research on Basic Theory of Longitudinal Gradient Design of Highways
公路路线纵坡设计问题的研讨
On The Relation Between Vehicle Speed Fuel Consumption and Longitudinal Gradient
公路纵坡与汽车运行速度油耗之间的关系
From the view of operational safety, we obtained the method for determining large longitudinal slope gradient, slope length and design speed.
从运营安全着手,得到了超大纵坡坡度、坡长和设计车速的确定方法。
The longitudinal salinity gradient in summer is larger than that in winter.
冬季湾内盐度空间梯度较小.
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