In recording, the rate of movement of the re - cording material past the reading or writing head.

在记录技能中, 记录材料通过读写头的运动速度.

互联网

In recording, the rate of movement of the re - cording material past reading or writing head.

在记录技术中, 记录材料通过读写头的运动速度.

互联网

Do they not know the location of the Photon Belt, the rate of movement?

他们不知道光子带的位置和它移动的速率 吗 ?

互联网