This speed range was chosen because it is when most collisions take place, especially rear-end shunts in slow-moving traffic.
之所以选择这样的速度范围，是因为大多数的碰撞都在此范围内发生，尤其是低速行驶时的追尾事故。
Tight, slow circuits like Monaco require very aggressive wing profiles - you will see that cars run two separate 'blades' of 'elements' on the rear wings (two is the maximum permitted).
摩纳哥狭窄而平缓的赛道需要外形攻击性强的车翼，你能看见车行驶时可以使后翼的两个叶片分开旋转（竞赛规则里一部赛车最多两个车翼）。
The utility model provides a slow-speed warning device for a vehicle, when a vehicle moves at a slow speed, rear coming vehicles can be warned automatically by light signals.
本实用新型提供一种车辆慢速警示装置，车辆在慢速行进时，可自动以灯号警示后方来车。
The utility model provides a slow-speed warning device for a vehicle, when a vehicle moves at a slow speed, rear coming vehicles can be warned automatically by light signals.
本实用新型提供一种车辆慢速警示装置，车辆在慢速行进时，可自动以灯号警示后方来车。
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