英语词汇useful output是什么意思，useful output的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	useful output
释义	DEFINITIVE EXAMPLES 权威例句〔efficiency〕The ratio of the effective or useful output to the total input in any system.效率：在某一系统中有效的或有用的产出与总投入的比率美国传统
随便看	sacred bark tree sacred book Sacred College sacred college sacred cow sacred cow sacred cow sacred cow sacred disease sacred fire sacred fire sacred image sacred image sacred music sacred music sacred place sacred place sacred power smile on smile on smile on smile on sb smile thinly smile upon smile upon

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