prismoid length破坏棱体长度
oblique prismoid斜棱台
regular prismoid正棱台
volume of a prismoid棱台的体积
property of a prismoid棱台的性质
lateral edge of a prismoid棱台的侧棱
base edge of a prismoid棱台的底棱
slant height of a prismoid棱台的斜高
property of a regular prismoid正棱台的性质
N（名词） a prismatoid having an equal number of vertices in each of the two parallel planes and whose sides are trapeziums or parallelograms 平截头棱锥体