Spatial Autocorrelation method (SPAC) is one of main methods used in microtremor exploration.It requires an regular circle array.是什么意思_Spatial Autocorrelation method (SPAC) is one of main methods used in microtremor exploration.It requires an regular circle array.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句