为了应用，笔者编制了六次代数式缓和曲线系数表，并着重阐述了它在回头曲线中的应用。
For the purpose of application, the author tabulates the coefficient tables of transition curve of 6th power function and describes emphatically its application to switch-back curves.
理论和实践证明，六次代数式缓和曲线是一种质量较高的缓和曲线，它适用于作小半径圆曲线的过渡曲线。
The transition curve of 6th power function is a higher quality of transition curve in theory and practice. It is also suitable for use to a small radius circle curve as a transition curve.
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