For example, if you are alerted to variations in the performance of the device’s fans, you may avoid having to take the device offline for unanticipated service.

例如，如果提前收到设备风扇的工作异常警报，就可避免因意外服务导致设备脱机。

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This way, a cell with the failed device can be taken offline, while production is serviced by the remaining cell (or cells).

这样，具有故障设备的单元会被脱机，而生产将由剩余的单元提供服务。

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If the device is offline, a time-out occurs.

如果设备脱机，则会出现超时。

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Combine these offline capabilities with device APIs that allow web apps to access hardware features like cameras, battery level, microphone, etc and Mozilla could effectively break down the barriers not only between HTML5 and native apps, but between high-end mobile devices and low.

FORBES: Third Way: What If Microsoft Threw Its Weight Behind Mozilla's Firefox OS?

Features include the ability to search and browse by artist, album or track, create playlists and download music from Cloud Player to the device for offline playback.

ENGADGET: Amazon brings Cloud Player music service to the UK: choice of free or premium tiers from ?22 per year

It can even generate an offline playlist on the device -- something similar in spirit to a feature I've long wanted on the iPod and other players, which is to be able to "switch gears" while listening in shuffle mode to play more tracks from just that artist, the rest of the album, or other songs like the one I've heard.

ENGADGET: Switched On: Music in the air (Part 2)