它既可以像使用圆规，直尺一样的用于作图，同时它有可以达到圆规、直尺不能达到的动态效果。

It can not only be used in drawing graphics like compasses and rulers, but also can reach dynamic effect which compasses and rulers can't do.

youdao

它既可以像使用圆规，直尺一样的用于作图，同时它有可以达到圆规、直尺不能达到的动态效果。

It can not only be used in drawing graphics like compasses and rulers, but also can reach dynamic effect which compasses and rulers can't do.

youdao