正八边形
zhènɡ bā biān xínɡ
- 名regular octagon
正八边形-
设F8（x）为一个中心在原点、边心距为x的正八边形。
For a regular octagon F_8 ( x ) centred at the origin and with a central distance x from the centre to its sides , the paper has proved the following theorem .
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它们有些像桌子上的撞球，桌子不是长方形的，但仍然是多边形，比如说正八边形。
They are related to billiards on tables that are not rectangular but still polygonal , like the regular octagon .
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风电场正八边形扩展基础地基基底反力的计算原理与方法
Principle and method for calculation of reaction of the octagonal spread foundation bed for wind farm
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正八边形内整点问题圆内开缝八边形自然对流换热的数值分析
On the Number of Lattice Points in a Regular Octagon Numerical Analysis of Natural Convection in a Cylindrical Envelope with an Internal Concentric Slotted Octagon