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齿形图中纵坐标的数字是怎么定的 |
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点评
渐开线展开长度是渐开线的弧长,需要积分计算的!
从基圆做的切线是曲率半径,等于对应的基圆上的弧长!
习惯上说切线是展长,但不是渐开线的展开长度!
概念不清!
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