plane section造句

1、a polyhedron any plane section of which is a convex polygon.
各个平面部分是凸型多边形的多面体。

2、The Assumption of Plane Section and Its Application
平截面假定及其应用

3、a polyhedron any plane section of which is a convex polygon
各个平面部分是凸型多边形的多面体。