英语词汇“time and motion study”是什么意思，“time and motion study”的读音、用法及例句翻译-乐坝网

词汇	time and motion study
释义	time and motion studyn.（名词） An analysis of the efficiency with which an industrial operation is performed. Also called motion study ,time study 时间与动作研究：对企业运作效率的分析也作 motion study,time study
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