The oceanic crust thus serves as a magnetic tape recording of the history of the geomagnetic field that can be dated independently;

这样海洋壳就扮演了磁带的角色，记录下可以鉴定时 间的地磁场的历史。

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Using magnetic recording tape recording or playback images principles of a machine.

利用磁带的磁性记录原理录制或重放图像的一种机器。

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It's used for recording letters onto magnetic tape for transcription by a secretary.

用听写机将信件录到磁带上，再让秘书抄写下来。

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Magnetic tape in professional recording has taken a nose dive while flash memory is the rising video storage format according the survey results.

FORBES: End of the Reel

As can be seen, traditional film use is 15% or less with digital technologies such as optical discs, hard disk drives, magnetic tape and flash memory are the bulk of modern recording media.

FORBES: End of the Reel

These analog magnetic tape machines led to the development of audio and video recording technologies after WWII by companies such as Ampex.

FORBES: Magnetic Tape Turns 60