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efficiency
efficiency英英释意
efficiency
英 [ɪ'fɪʃ(ə)nsɪ] 美[ɪ'fɪʃənsi]
英英释义
考试真题
实用场景例句
n. 效率；效能；功效
英英释意
1. the ratio of the output to the input of any system
2. skillfulness in avoiding wasted time and effort;
"she did the work with great
efficiency
"
