七边形 meaning in English
heptagon
Examples
- A polygon having seven sides
七边形有七条边的多边形 - Shaped copper and copper alloy bus bar for electrical purposes . part 3 : septangle copper bus bar
电工异型铜排及铜合金排.第3部分:七边形铜排 - Electronic transport properties of single - wall carbon nanotube with pentagon - heptagon - pair defect
七边形缺陷的单壁纳米碳管的输运性质研究