有效，有力,名稱 effectiveness，effectivity,capacity to produce strong physiological or chemical effects,power to be effective; the quality of being able to bring about an effect,effectiveness auditing 經 效果審計有效性審計 ,program effectiveness 方案成效 ,legal effectiveness 法 法律效用 ,parative effectiveness 比較效果 ,economic effectiveness 經濟效率，經濟效率 ,thermal effectiveness 熱處理效果 ,shield effectiveness 屏蔽效率 ,precipitation effectiveness 有效降水 ,effectiveness measure 效果量度 ,effectiveness theory 能行性理論 ,effectiveness n.[U] 有效，有力,cost/effectiveness 計 效能價格比, 性能價格比,cost effectiveness 成本效率衡量壹個系統或壹個產品的性能，或其有效程序與成本間的關系的指示。n. 成本高效益,花費的有效性