相关单词近义词 work study 工作研究, motion study 动作研究, time-and-motion study 操作测定, time and motion study [经]工业操作效率的研究..., time-motion study 时动研究; 时势研究...临近词timecode, time, time delay systems, time variable data, timed-Petri nets, time display plate, time domain ripple, time series method, Time zone syndrome, Time-base method, time for execution, time of evacuation 返回 time study