Apple has even developed a custom chip, the A4, that both powers the machine and helps extend its battery life to 10 hours.
苹果公司甚至开发了一种定制芯片，即A4，它不仅可以给iPad供电，而且有助于将巡航时间延长至10个小时。
Apple has even developed a custom chip, the A4, that both powers the machine and helps extend its battery life to 10 hours.
苹果公司甚至开发了一种定制芯片，即A4，它不仅可以给iPad供电，而且有助于将巡航时间延长至10个小时。
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