这个电池的作用是，在发生电源故障前，进行实时数据备份和连续操作。
The battery is used for data back-up in the event of a power failure as mentioned above, and continuous operation of a real time clock.
这个电池的作用是，在发生电源故障前，进行实时数据备份和连续操作。
The battery is used for data back-up in the event of a power failure as mentioned above, and continuous operation of a real time clock.
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