再其次进行了人机操作分析，通过绘制人机操作图，提高了机器的利用率，减少了空闲时间，使人机操作的分配更合理化；
Thirdly , man-machine operation is analyzed by drawing the graph of the man-machine operating chart , the machine utilization is increased , idle time is reduced and the assignment of man-machine operating becomes more reasonable .
人机操作图