九面体
在几何学中，九面体是指由9个平面组成的多面体，而边长全部等长的九面体是七角柱是一种半正多面体。在九面体中，四角锥柱和它的对偶多面体都是九面体。九面体可以是七角柱、八角锥、双三角锥柱等多面体。
enneahedron
/ˌɛnɪə'hidrən/
英汉-汉英词典
n. 九面体
词组 | 习惯用语
您要查找的是不是：
- dodecahedron n. 十二面体
- tetrahedron n. 四面体
- octahedron n. 八面体
- icosahedron n. 二十面体
enneahedron n. [数] 九面体
中文百科
英语百科
Enneahedron 九面体
In geometry, a enneahedron (or nonahedron) is a polyhedron with nine faces. There are 2606 topologically distinct enneahedra and none are regular, so this name is ambiguous.
- mean tidal level的意思
- mean tidal range的意思
- mean tide的意思
- mean tide level的意思
- Mean time的意思
- meantime的意思
- mean time at ship的意思
- Mean time before failure的意思
- meantime before failure的意思
- mean time before failures的意思
- mean time between arrivals的意思
- mean time between calls的意思
- mean time between defects的意思
- mean time between demands的意思
- mean time between errors的意思
- mean time between events的意思
- Mean Time Between Failure的意思
- mean time between failure, MTBF的意思
- mean time between failure requiring overhaul的意思
- meantime between failures的意思
- Mean time between failures的意思
- mean time between failures, MTBF的意思
- mean time between failures of auxiliary equipment的意思
- mean time between first failure的意思
- mean time between forced outage的意思