It will save considerable machining time to use more than one tool in one machine to perform several machine operations either in sequence or simultaneously.
在一台机器上使用数种刀具来顺次或同时进行几项机器操作，将节省大量加工时间。
《新英汉大辞典》
2
This function moves each frame back intime from the last image in the sequence to the first.
该函数按时间反向移动各帧，从图像序列的最后一幅到最前一幅。
3
The vertical axis represents timeinsequence diagrams, but the timing diagram USES the horizontal axis to represent time.