短語詞組短語economical character expression 經(jīng)濟性狀表現(xiàn)Economical Character Closed loop 經(jīng)濟性閉環(huán)economical character of spike 穗部經(jīng)濟性狀economical character evaluation 經(jīng)濟性狀評價basic economical character 基本經(jīng)濟特征 返回 economical character