Finally, a practical example, the evaluation of spatial straightness error is given.

最后以空间直线度误差为例，进行了误差评定。

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Nonlinear mathematical model for spatial straightness error evaluation is firstly established in this paper based on the minimum zone condition.

本文首先按最小条件建立了评定空间直线度误差的非线性数学模型。

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