minimum length of vertical curve
... 曲线的长度 lengthofacurve 竖曲线最小长度 minimum length of vertical curve 平曲线最小长度 minimum length of horizontal curve ...
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总结了现行的高速铁路主要设计参数的研究方法，如最小圆曲线半径、缓和曲线线形及长度、竖曲线半径等参数的确定原则和方法。
At last this paper summarizes research methods of main line parameters of High-speed railway, such as the minimum radius of horizontal curves, length and alignment of transition curves.
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