In their lab, the researchers used sensors, cameras and other equipment to measure the forces and shock waves in the legs of women, ages 18 to 40, as they walked in each type of shoe.

在他们的实验室中，调查人员运用传感器，照相机以及替他设备来测量女性两腿上的力度和冲击波。这些女性的年龄跨度从18岁至40岁。每人都会穿三个类型的鞋子走路。

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It was used by the Mayans as well as by Celts and in other parts of Europe in the Middle Ages.

玛雅人、凯尔特人以及中世纪欧洲的其他地区也使用二十进制。

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Through the ages, the structural skill and artistic style of the Zhaozhou Bridge are widely used as a reference point.

千百年来，赵州桥的结构技巧、艺术风格被广泛地借鉴运用。

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The history of Amaro dates back to the Middle Ages as monks used it for a variety of medicinal purposes such as treating contagious diseases, fevers, measles and upset stomachs.

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Dozens of children between ages 8 and 13 were reportedly used as human shields by pro-regime forces during a raid on the village of Ayn l'Arouz in March, the report says.

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For example, they only used the scores of players between the ages of 17 and 25 as a way to approximate the current undergraduate population.

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