檢視曲率半径的原始碼

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| style="background: #FF2400" align= center|  '''<big>曲率半径</big>'''
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| style="background: #FF2400" align= center|  '''<big></big>'''

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中文名；曲率半径

解 释；曲率的倒数

类 别；定律

公 式；K=lim|Δα/Δs|
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在微分几何中，曲率的倒数就是'''曲率半径'''，即R=1/K。平面曲线的曲率就是针对曲线上某个点的[[切线]]方向角对弧长的转动率，通过微分来定义，表明曲线偏离直线的程度。对于曲线，它等于最接近该点处曲线的圆弧的半径。 对于[[表面]]，曲率半径是最适合正常截面或其组合的圆的半径。