| 释义 |
efficiency
[ɪ'fɪʃ.ənt.si] noun uncountable
ADVANCED
■when someone or something uses time and energy well, without wasting any 效率；效能•What is so impressive about their society is the efficiency of the public services.他们的社会给人留下最深刻印象的是其高效率的公共服务。 •energy efficiency能源使用效率 specialized
■the difference between the amount of energy that is put into a machine in the form of fuel, effort, etc. and the amount that comes out of it in the form of movement 效率；功率 |