The parameter equation of involute tooth profile on any angular position is presented.

提出了任意转角位置的渐开线齿轮齿廓的参数方程。

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Firstly illustrates the basic definition parameter equation, understand what is the parameter equation.

首先说明了参数方程的基本定义，了解什么是参数方程。

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The parameter equation and the formula of each element of the curve are set up and compared with that of clothoid.

文中导出了五次代数式缓和曲线的参数方程和曲线各元素的公式；

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