短語詞組短語regression -line estimate detail 廻歸線估計(jì)regression curve line 廻歸曲線Regression straight line 廻歸直線regression n line 廻歸線regression straight line equation 廻歸直線方程sample regression line [數(shù)]樣本廻歸線least square regression line 最小平方廻歸直線provisional regression line detail 臨時(shí)廻歸線 返回 regression line