Moreover, this research found that as labor migration of China has significant space conglomeration effect, Spatial Error model is fitter to analysis of this phenomenon than OLS model is.
研究还表明，中国劳动力迁徙具有显著的空间集聚效应，采用空间误差回归模型要明显优于OLS回归模型。
This method realizes the measure of the practical profile of the spatial CAM and establishes the mathematical model and error calculate method.
建立了数据处理的数学模型和误差计算方法，为空间凸轮廓面检测与误差计算提供了新方法。
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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