1、With this information, control can send speed up or slow down commands to the disc drive motor.
根據(jù)這些個信息，控制系統(tǒng)可以向盤片驅(qū)動系統(tǒng)發(fā)送提速或降速的指令。

2、When the moving heads of the disc drive are retracted, the disc pack can be removed and stored.
若把讀寫頭縮入，就可以把磁碟組拿去及貯藏。

3、Automatic balancing apparatus, rotating apparatus, disc drive apparatus, and balancer.
自動平衡裝置，旋轉(zhuǎn)裝置，盤驅(qū)動裝置以及平衡器。