短語詞組短語positive inotropic effect 正性肌力作用;正性肌力positive cooperative effect 正協(xié)同效應;正apparent positive absorption effect 表觀正吸收效應positive information effect 正信息效應Positive inductive effect 誘導效應positive correlation effect 正相關效應positive publicity effect 宣傳正效應positive outflow effect 正溢出效應positive feedback effect 正反饋效應;遞增回饋效應;這種需求與供給 返回 positive effect