第九代操作系统还有一个新的“低电量模式”，能够帮助你将电池电量发挥到极致。

There's a new Low Power Mode that will help you get the most out of your battery life.

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延长电池寿命自动睡眠模式，低电量显示。

Automatic sleep mode for long battery life, low battery indicator.

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延长电池寿命自动睡眠模式，低电量显示。

Automatic sleep mode for long battery life, low battery indicator.

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