octagrams造句

The walls are covered with protective symbols and lead octagrams ( a reference to precautions taken to shield nuclear reactors; Pratchett once worked for a power generation company ).
Additionally, the nonconvex great rhombicuboctahedron may be seen as an octagrammic prism with the octagrams excavated with crossed square cupolae, similarly to how the rhombicuboctahedron may be seen as an octagonal prism with the octagons augmented with square cupolae.
If the self-intersected portions of the octagrams are removed, leaving squares, and truncating the triangles into hexagons, truncated octahedrons are produced, and the sequence ends with the central squares being reduced to a point, and creating an octahedron.
It's difficult to find octagrams in a sentence. 用octagrams造句挺难的