从而导出3 - R PR平面并联机构正运动学封闭形式解为一元六次方程。
The closed form solution of 3 RPR planar parallel mechanism was obtained. It is a 6 th degree equation in one variable.
然后，我们给出一个封闭形式解 这个子空间跟踪问题，并提供实际 迭代算法。
Then, we give a closed-form solution to this subspace tracking problem and also provide a practical iterative algorithm.
本文利用复变函数方法，研究了两个各向异性半平面的焊接问题，得到了应力分布的封闭形式解。
In this paper, the welding problem of two half-planes with anisotropic media is considered. By means of the complex variable method, the stress distribution is given in closed forms.
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