Looking at the frequency difference, they realized that the shaking speed was connected to the radius of the animal's body.
通过观察身体动作频率的差别他们了解到，抖动的速率原来与动物身体的半径有关。
Curves generally are ground with asymmetric profiles that promote conformal contact in order to take advantage of the rolling radius difference and enhance steering.
在曲线处的内轨和外轨通常打磨成不对称的形状，目的是改善共形接触，增大内外车轮滚动圆的直径差，利于导向。
In other words, if according to the proportion of production with a radius of 30 cm of the globe, so its equatorial radius and the polar radius is only a difference of 1 mm!
换句话说，如果按照这个比例制作一个半径30厘米的地球仪，那么它的赤道半径和极半径仅相差1毫米！
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