沿这些曲线逐条进行插补，就可实现对整个曲面的插补。
Interpolating along these curves, the interpolation on the whole surface will be fulfilled.
首先，将整个曲面作为搜索空间，路径长度作为目标函数，设定了路径优化问题。
First, curved surface is considered as the search field and the length of route as the objective function, thus the optimization problem of route is set.
整个曲面屋顶被切割成无数阶梯，每一级阶梯上表面为花岗岩石材，侧面嵌植绿化条带。
All of the roof is cut into stairs which act as both stone stairs and green belt.
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