最后以空间直线度误差为例，进行了误差评定。
Finally, a practical example, the evaluation of spatial straightness error is given.
提出用无衍射光和莫尔条纹进行空间直线度测量的技术。
A method of spatial straightness measurement by means of non diffracting beam and moire fringe is proposed.
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。
Nonlinear mathematical model for spatial straightness error evaluation is firstly established in this paper based on the minimum zone condition.
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