1、规则多边形
... regroup (regrouping) 重新组合 regular polygon 规则多边形；正多边形 regular polyhedron 正多面体 ...
2、正多角形
...at regular intervals 每隔一定时间（距离）...regular polygon 正多边形；正多角形...regular order 经常订单，定期订单...
3、正多边形
...at regular intervals 每隔一定时间（距离）...regular polygon 正多边形；正多角形...regular order 经常订单，定期订单...
regular r polygon正多边形
regular star polygon正星形多角形
regular spherical polygon正球面多边形
regular near polygon正则拟多边形
regular circumscribied polygon外切正方形
n-regular-polygon正n边形
n-regular-polygon coaxial transmission line正n边形同轴传输线
regular polygon mirror正多面棱体
a regular polygon正多边形