短語詞組短語weighting function matrix selection 加權陣選擇weighting polynonial matrix 加權多項式矩陣free -weighting-matrix method 自由加權矩陣法error weighting matrix 誤差加權矩陣Free -weighting matrix 自由權矩陣Activity Weighting Matrix 目標工作權重表W weighting matrix 加權矩陣ECOTECH Weighting Matrix 加權矩陣 返回 weighting matrix