短語詞組短語difference minimization model 差值最小化模型Empirical risk minimization model 經(jīng)驗風(fēng)險最小化模型cost minimization model 最小成本模型variance minimization model 方差最小化模型functional minimization model 泛函極值模型static firm cost minimization model 廠商成本最小化靜態(tài)模型energy -minimization multi-scale model 能量最小多尺度模型 返回 minimization model