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| 文档标题： | 截断二十面体(足球球) |
| 发布时间： | 2014-04-04 00:00:00 |
| 文档简介： | A truncated icosahedron is an Archimedean solid whose faces are regular hexagons and pentagons. It has 12 regular pentagonal faces, 20 regular hexagonal faces. http://en.wikipedia.org/wiki/Truncated_icosahedron Probably most familiar as th |