economic efficiency

• 经济效率

economic efficiency的用法和样例：

例句

1. The third step is to appraise the equilibriums with the criterion of efficiency.
   第三步是以经济效率的准则评价这一均衡。
2. Heat supply technology influences directly the production cost and efficiency of bitumen reservoir.
   沥青库加热技术的好坏直接关系到沥青库的生产成本与经济效率。