The photograph, recording, or heartbeat can be compared, respectively, to a photograph, recording, or heartbeat of authorized users of the electronic device to determine whether they match.

得到的照片、声音录音和心跳录音可以分别与电子设备的授权用户的照片、声音、心跳进行对比，以确定它们是否一致。

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Compared to generating electricity in a US coal plant, the device could save as much as 12 tonnes of CO2 per home.

而与使用美国煤电厂产生的电力相比较，这种装置每个家庭能减少12吨CO2排放。

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The device, often compared in the press to a polygraph, measures the bodily changes in electrical resistance that occur when a person answers questions posed by an auditor.

这个装置在新闻界常常被用来和测谎仪相比较，它用来测量一个人在回答听析师所提出的问题时，身体的电阻有什么变化。

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Among his own statistics, Mr. Schiller cited a survey from research firm ChangeWave that found that around three-quarters of iPhone users say they are "very satisfied" with their device compared with around half of Android users.

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In December, 75% of Weibo users accessed Weibo via a mobile device, compared to 68% in Q3 2012.

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That means iPhone customers only start to become profitable for carriers about nine months after they buy the device, compared with a five- to six-month timeframe for other smartphones.

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