就如加州公共政策研究所所长米斯肯斯基所指，加州处在“一个规模庞大的实验的边缘”，犯罪率将会上升还是下降？

As Dean Misczynski at the Public Policy Institute of California puts it, California is "on the verge of a vast experiment". Will crime go up or down?

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NLST由国家癌症研究所(国家健康研究所的一部分)发起，证实了低剂量螺旋CT成像是第一种可以降低肺癌死亡率的扫描检查。

Sponsored by the National cancer Institute, part of the National Institutes of Health, the NLST establishes low-dose spiral CT as the first validated screening test that reduces lung cancer mortality.

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根据美国国家标准及技术研究所的数据，面部识别程序通过照片识别人脸的错误率已经从1993年的79%降到了去年的0.29%。

According to the National Institutes of Standards and Technology the proportion of photographs which were wrongly identified by such programmes has declined from 79% in 1993 to just 0.29% last year.

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