What this means is that if you want to control playback, you must pull out the nano so you can see its screen, then wake up the iPod, then navigate to the appropriate screen.
这就是说如果你想要控制播放，你就必须拿出nano，这样你才能看到屏幕，然后唤醒iPod，接着导航到相应屏幕。
It's a common problem - how to wake up a touch screen application - but customers' expectations for addressing it are changing every day, and therefore our solutions have to evolve, too.
这是一个常见问题，如何唤醒(wake up)一个触摸屏应用需求。用户的期望每天都在改变，因此我们提供的解决方案也不得不改变。
However, there are times when an application needs to wake up the screen or the CPU and keep it awake to complete some work.
然而有时候应用会需要唤醒屏幕或者是唤醒CPU并且保持它们的唤醒状态，直至一些任务被完成。
However, there are times when an application needs to wake up the screen or the CPU and keep it awake to complete some work.
然而有时候应用会需要唤醒屏幕或者是唤醒CPU并且保持它们的唤醒状态，直至一些任务被完成。
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