He says if you take the square root of their risk it Narrows the gap between them - so you check Mr X only 10 times more often than Mr Y.

他表示，如果你把风险开方，检查次数就少很多，所以只要让甲乘客比乙乘客多检查10次就可以了。

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They also found that the X-ray-guided form of spinal tap, called fluoroscopy-guided lumbar puncture, doubles the risk of bleeding in people older than 80 years compared to younger people.

同时，他们还发现X线引导下的脊椎穿刺抽液（也叫透视下腰穿），其引起80岁以上老年患者出血的风险是年轻患者的两倍。

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Automatically analyzing information from dental X-rays to detect patients at risk for osteoporosis would involve no extra time, radiation and almost no more cost, the researchers said.

研究者说：“应用从牙科X线机自动分析到的信息去检查病人患有骨质疏松症的危险度将不需要额外的时间，辐射和几乎花费的很少。”

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If you look at increasing weight as you go from left to right on this axis, lean people, overweight people, and obese people, the risk goes way up for death from cardiovascular diseases.

从X轴左边到右边,随着体重不断上升,精瘦的,超重的,以及肥胖人群,心血管疾病的致死风险也随之增加

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

However, Richard Aboulafia of the Teal Group, an aviation consultancy, thinks there is more technological risk with the Leap-X than with the GTF and greater uncertainty about whether it will deliver the same cost savings.

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Risk is commonly placed on the x-axis, and return is placed on the y-axis.

FORBES: The Efficient Frontier

The event cancellations are likely intended to diminish the risk of future catastrophic injuries during live X Games programming.

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