The scientists used a functional magnetic imaging scanner to track signs of neural activity among 19 affected children and 23 other children who were asked to remember a simple sequence of letters.

这些科学家让19名有此症状的儿童及此外23名儿童记忆一系列简单的字母，并用一台功能性磁力成像扫描仪追踪他们的神经勾当迹象。

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In 2001, Williams, who grew up by a train track, pushed town officials to construct a viewing platform with picnic tables, wireless Internet and a scanner to detect oncoming trains.

2001年，在铁轨旁长大的Williams劝说镇官员们搭建了用野餐桌子、无线互联网还有一个侦测驶来列车的扫描器组成的观看平台。

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Not only are we collecting data from within the Scan ecosystem, but QR codes generated on our site track analytics regardless which scanner was used.

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