| 释义 |
ef.fi.cien.cyI5fIF7[nt7sin [U]效率What is so impressive about their society is the efficiency of the public services.他们的社会给人印象最深的是高效率的公益服务。Increased use of public transport would doubtless increase energy efficiency (= using only what is needed).公共交通使用的增长无疑会提高能源使用效率。(specialized) The efficiency of a machine or an engine is the difference between the amount of energy that is put into it in the form of fuel, effort, etc. and the amount that comes out in the form of movement.(机器或发动机的)效率
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