Least square method is adopted in regression analysis, AR(n) model in time series analysis and GM(1,1) model in grey system prediction.是什么意思_Least square method is adopted in regression analysis, AR(n) model in time series analysis and GM(1,1) model in grey system prediction.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句