研究人员应用数学模型对印地安那州单一车辆交通事故的数据进行了多项概率计算。
The researchers used mathematical models to calculate various probabilities using data from one-vehicle accidents in Indiana.
车辆（机械）故障只占到少于3%的事故，多数情况为扎胎后失控引起的单一车辆事故。
Vehicle failure accounted for less than 3% of these motorcycle accidents, and most of those were single vehicle accidents where control was lost due to a puncture flat.
仿真结果还发现，在转向架悬挂参数相同的情况下，单一车辆的运行平稳性指标大于列车的运行平稳性指标。
Through simulation, it is shown that ride comfort index of single car is greater than that of the whole train under the same suspension parameter of the bogie.
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