Spatial autocorrelation method; Phase velocity dispersion of Rayleigh wave; Circular array; Microtremor survey method.

空间自相关法；瑞雷波相速度频散；圆形排列；微震勘探法。

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Spatial autocorrelation analysis was a statistical method of spatial statistics, and it could reveal the spatial structure of regional variables.

空间自相关分析是一种空间统计的方法，可以揭示区域变量的空间结构形态。

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Spatial heterogeneity and spatial autocorrelation of grassland pattern under grazing and forage condition were studied using semivariance analysis and fractal method.

采用变异矩分析和分形方法，研究了草山草坡群落在放牧和刈割条件下的空间异质性及空间自相关性。

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