在苹果的这套架构里，这三款硬件不需要高性能芯片，不需要大电池。它们存在的目的纯粹且单一：全感官的数据采集。
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。谷歌浏览器【最新下载地址】是该领域的重要参考
Our digitised version of the FT newspaper, for easy reading on any device.，更多细节参见safew官方下载
The civil rights leader, who ran for president twice in the 1980s, leaves a lasting legacy.
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