文中以3-4-5多项式运动曲线为例说明磨光处理的过程，求取并比较相应的动态响应。

Take the 3-4-5 polynomial moving curve for example, we explained the course of the smoothing handle, found and compared the relevant dynamic response.

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针对实时控制过程提出一种基于遗传算法的多项式函数监督PID控制。

A polynomial function supervising PID control method is proposed, which is based on Genetic Algorithms (GAs) for real-time control process.

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但是，由于行列式中的元素通常是符号化的，即其中每个元素都是关于变元（或参数）的多项式，导致行列式展开时的中间计算过程膨胀（甚至爆炸）。

However, as each entry in the determinant is symbolic, that is, a polynomial in variable(s), this leads to the intermediate expression swell(or explosion) problem in the expansion of determinant.

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