DESIGN: a single sample study taking the data of L4 5 three dimensional infinite element model as object of research.

设计：以脊柱l4 ~ 5节段三维模型的相关数据为研究对象的单一样本研究。

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One-dimensional motion and two-dimensional translational motion experiments have been carried out here and a conclusion that the orientation error is below 5% in both experiments has been made.

分别进行了系统一维和二维直线运动的测试实验，得到了系统的定位误差小于5%的结论。

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By using this system, a set of 4-dimensional equations are iteratively solved, and the experimental results show that the error of the solution is about 5% comparing with theoretical one.

使用这个光电混合系统，用迭代法对一个4元线性方程组求解，实验结果与理论解比较，误差约为5%。

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