Article 58 When a motor wheel chair vehicle of a disabled person or an electric bicycle is running within the non-motor vehicle lane, the maximum speed per hour shall not exceed 15 kilometers.

第五十八条残疾人机动轮椅车、电动自行车在非机动车道内行驶时，最高时速不得超过十五公里。

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Driving a motor vehicle exceeding the prescribed speed per hour by 50%;

机动车行驶超过规定时速百分之五十的；

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Based on the mathematics model and the assist characteristic, the arithmetic to calculate the nonlinear relationship between steering wheel torque and motor torque at any vehicle speed is worked out.

根据数学模型及助力特性特点，提出了计算任意车速下转向盘转矩与电机助力转矩非线性关系的方法。

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To reduce the number of pedestrians seriously injured and killed in motor vehicle crashes in places like residential streets and urban areas, the report calls for traffic calming techniques, such as speed bumps, lane narrowing, changes in roadway curvature, and increased enforcement and the reduction of speed limits.

FORBES: In Crashes, Low Driving Speed Can Cause Serious Injury and Death to Pedestrians, Report Finds