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1·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；

2·The maximum speed per hour indicated on the speed limitation mark of an expressway shall not exceed 120 kilometers.

高速公路限速标志标明的最高时速不得超过一百二十公里。

3·Article 42 When driving a motor vehicle on roads, the driver shall not exceed the maximum speed per hour shown by the speed limit sign.

第四十二条机动车上道路行驶，不得超过限速标志标明的最高时速。

4·According to the results, the ingredients of extract, centrifugal speed per hour, illumination, temperature, substrates and seedling age could influence the NRAs.

结果表明，提取液成份、离心时速、光照、温度、底物、苗龄等都会影响硝酸还原酶活力。

5·Article 58 When motor wheelchairs for the disabled and battery-powered bicycles run in the bicycle lane, their 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。

6·I climbed over a mountain's top wheezily like a snail with 9-11 KM's speed per hour, but I found there are so many continuous and without end mountains, so challenge came to me.

当以9 - 11公里的蜗牛时速气喘吁吁的爬上一座山头，迎面而来的是连绵不断无穷无尽的群山时，兴奋变成了挑战。

7·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。

8·Top speed is 120 miles per hour.

最高时速为120英里。《牛津词典》

9·The vehicles have a top speed of 80 miles per hour.

这些车的最高时速达80英里。《柯林斯英汉双解大词典》

10·With a speed of 250 km per hour, it's also the first mountain heavy train line to provide a 4G network.

它的时速为250公里，也是第一条提供 4G 网络的山地重载铁路线。