All kinds of method used around world and presented approach based on interval arithmetic and quad tree was presented 总结了消除偏置曲线自交点的各种算法的优缺点，提出了基于区间算术和四叉树的算法。
2.
Eliminating offset self - intersection could improve the ability to handle the detail of parts and the precision to make the parts 摘要消除偏置曲线自交点可以提高系统对零件细节部分的处理能力，提高了零件的制造精度。
