The token represents a relativepoint in the modification sequence of a row.
这个标记表示某一行的修改序列中的一个相对点。
2
The process of finding the relativepoint is studied, with an emphasis on the algorithm of inverse point to transition curve .
导出了自行查找关联线元的方法,并侧重研究了点对缓和曲线反算问题的算法。
3
Starting from such a point, lines are draws to following points, where any following point is specified with relative coordinates to its preceding point.