Main memory is a volatile storage device. It loses its contents in the case of system failure.

主存储器是一个易失性存储设备。系统失败时，会丢失其内容。

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Main memory is a volatile storage device. It loses its contents in the case of system failure.

主存储器是一个易失性存储设备。系统失败时，会丢失其内容。

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