efficientlyadv.高效率地；有效地efficientadj.效率高的；胜任的efficient edge detector高效边缘检测器efficient precipitation有效降水efficient solutions set有效解集efficient administration高效率的管理efficient neutralization有效中和efficient capital marketn.有效的资本市场；有效的资本市场Efficient area reduction面积有效缩减efficient implementation有效实现efficient picture coding有效图象编码efficient score function有效得分函数

1. Ordinarily, however, the efficient cause is not the cause of the matter since it presupposes it.
   一般而言，动力因不是质料的原因，因为动力因以质料为先决条件。