thermal efficiency[热] 热效率;基本喷射时期;水容量
Pareto efficiency帕累托最优;帕累托效率;帕累托有效
Luminous efficiency[光] [电子] [天] 发光效率;灯具光效;[光] 光效率
allocative efficiency配置效率;分配效率;生产何种产品;配置效率
land efficiency土地效益;地盘效益;用地效率
Power Efficiency电源效率;出力效率;[电] 功率效率;效率
boiler efficiency[动力] 锅炉效率;锅炉热效率;锅炉效益;汽锅效率
combustion efficiency[热] 燃烧效率;燃烧效率燃烧室效率;燃烧效率
Working efficiency[工经] 工作效率;工作效率加工效率;加工效率;作业效率
N-UNCOUNT（不可数名词） Efficiency is the quality of being able to do a task successfully, without wasting time or energy. 效率
There are many ways to increase agricultural efficiency in the poorer areas of the world.
有许多提高世界较贫困地区农业效能的方法。