但照相机和其他设备在之前的数天内已预先工作了数小时，并将继续工作下去。
But the cameras and other instruments had been working for hours and in some cases days beforehand, and will continue afterwards.
Android版本兼容仍然是一个问题，但已上市的其他设备没有比这更多的兼容性问题了。
Cleary Android version compatibility will still be an issue (e.g., Froyo, Gingerbread, Honeycomb), but no more so than with any other devices already in the market.
但与其他设备不同，这种设备的优势之一是它不需要巨大的发电盒子来容纳传感器。
But one of its advantages is that, unlike other devices, it does not require a bulky generator box to house the transmitter.
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