当你和一位朋友在超市走散后，你会扫描人群，可你并不会仔细盘查每一张脸，而是迅速把那些身材过高、过矮、穿得颜色不匹配的人筛选掉。
When you and a friend become separated in the mall, you scan the crowd, not scrutinizing every face but quickly filtering out everyone who's too tall, too short, wearing the wrong color of clothing.
我们现在已经有了像神经成像和全基因组扫描那样的工具来搜寻与阿尔茨海默氏症有关的基因，以及经一大批经过长时间随访的人群样本。
We now have such tools as neuroimaging and genome-wide scans that hunt for genes related to risk, as well as big samples of people who've been followed over time.
比利时根特大学的西蒙·库恩博士与他英国和德国的同事一道分析了150多名青少年的脑部扫描结果，这些青少年都被归类为中等或非常喜欢玩电动游戏的人群。
Dr Simon Kuhn of Ghent University in Belgium and colleagues in the UK and Germany analysed brain scans of more than 150 teenagers who were classified as playing video games either moderately or a lot.
然而，如果西蒙教授的猜想使正确的话，通过一个包含脑部扫描、基因型分型和后天经历研究的组合观察，我们就得以在他们犯罪以前，诊断出相当数量的残忍人群了。
But if Prof. Baron-Cohen is right, a combination of a brain scan, a genotyping and a case history could "diagnose" many or even most cruel personalities, perhaps even before they commit crimes.
然而，如果他们得知只要在超市收银台前向扫描器挥挥手指就能完事，可以节省宝贵的几秒钟，他们也会加入到已经接受“生物识别”的数百万人群中来的。
But tell them they could save a few precious seconds at the supermarket checkout just by waving their fingers over a scanner, and they will sign up in their millions.
原因在于，当一个理想版本基因“扫描”一个人群，变异便开始在DNA中逐渐累积，这会将基因的统一性——基因扫描的证据——加以破坏。
The reason is that after a favored version of a gene has swept through the population, mutations start building up in its DNA, eroding the uniformity that is evidence of a sweep.
为了解答这些问题，Andrew Newberg博士扫描了一些特殊人群的大脑，包括祈祷的修女、唱颂歌的锡克教徒以及正在沉思的佛教徒。
Those questions, Dr. Andrew Newberg has scanned the brains of praying nuns, chanting Sikhs and meditating Buddhists.
这也许还能在一定数量的人群或听众中工作…。这也能推动扫描微波光谱仪等。
This could possibly work on certain members of a crowd or audience…again this could facilitate scams etc.
据作者所知，现在很少有以人群为基础的关于结直肠癌扫描试验连续应用的研究，而在特殊的时期，这个是被推荐的。
BACKGROUND. To the authors' knowledge, few population-based studies to date have considered the serial use of colorectal cancer screening tests, which are usually recommended at specific intervals.
目的：应用海德堡视网膜断层扫描仪建立本地区正常人群视盘参数并做进一步分析。
Objective: to establish and analyse the normal range of the optic disc parameters with Heidelberg retina tomography (HRT) in our area.
通过对颞下颌关节扫描图像的测量，探讨正常人群颞下颌关节相关的解剖关系，以及颞下颌关节的关节盘和髁状突位置关系，并作定量分析。
To discuss and analyze quantitatively the relative anatomy of the TMJ and the position relation between the articular disc and the condyle by measuring the MRI image of the TMJ.
通过对颞下颌关节扫描图像的测量，探讨正常人群颞下颌关节相关的解剖关系，以及颞下颌关节的关节盘和髁状突位置关系，并作定量分析。
To discuss and analyze quantitatively the relative anatomy of the TMJ and the position relation between the articular disc and the condyle by measuring the MRI image of the TMJ.
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