相关单词近义词 work study 工作研究, motion study 动作研究, time and motion study [经]工业操作效率的研究..., time study 测时, 工时定额研究..., time-motion study 时动研究; 时势研究...临近词time, time-work相似词time trialling, time warp, time zone, time's a great healer idiom, time-consuming, time-honoured, time-lapse, time-poor, 返回 time-and-motion study