Because an actual object has complex topology, it may have many cases for correspondence relationship of contours between adjacent sections, for example one-to-one, one-to-many, many-to-many.

由于实际物体的拓扑复杂性，相邻断层轮廓线之间的对应关系有一对一、一对多、多对多等多种情况。

youdao

Because an actual object has complex topology, it may have many cases for correspondence relationship of contours between adjacent sections, for example one-to-one, one-to-many, many-to-many.

由于实际物体的拓扑复杂性，相邻断层轮廓线之间的对应关系有一对一、一对多、多对多等多种情况。

youdao