向前或向后移动 meaning in English

move to front or back

In video disk , to advance by one frame either forward or reverse
在光盘中,向前或向后移动一帧。
Move to front or back
向前或向后移动
No ! this fig show in frequency spectrum , it also display at same time
在这个图中的会不会有个时间呢？它会不会向前或向后移动
This function moves the file pointer from its current position to a new position , forward or backward , specified by the number of bytes
整个函数将文件指针从当前位置向前或向后移动移动到一个新的位置。
It also records the beating of the heart and tells the robotic tool to move backwards and forwards . this could allow surgeons to operate with the chest closed
同时，它还能记录下患者的心跳，并吩咐达芬奇机器人随着患者心脏的跳动向前或向后移动。