To reduce the traffic accident rate, vehicle engineers, roadway designers, traffic engineers and ergonomic experts all over the world have been looking for the efficient measures.

为了减少交通事故，国内外的汽车工程师、道路设计工程师、交通工程师、人机工程师以及交通管理部门的专家和学者均进行了大量的研究和不懈的努力。

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In recent years, the accident rate and the payment swindling of the motor vehicle insurance climb unceasingly.

近几年，车险事故率、骗赔案件不断攀升，许多保险公司试图通过拒保、大幅提升费率来化解风险。

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Combining cluster analysis of gray theory we make an evaluation on the line with three evaluation indexes: the road traffic fatality rate, run-accident rate, Million-vehicle- mortality per km.

城镇主要道路评价采用交通致死率、运行事故率、亿车公里死亡率三个指标结合灰色聚类分析方法进行评价。

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