Effi ciency grade 能效等级
mount effi ciency 贴装效率
strengthening effi-ciency 加固效率
"she did the work with great efficiency"
以上来源于: WordNet
N-UNCOUNT 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。
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