机动车超速行驶是引起交通事故的主要原因，是严重的道路交通违法行为之一。
Vehicles traveling over speed limit are the main reason resulting traffic accidents and one of the serious traffic illegal actions.
本文研究由内核超速旋转引起的地球重力场的变化。
The Earth's gravity field change caused by the inner core's super rotation is investigated.
结论是智能控速路面对预防因超载超速引起的交通事故具有重要意义。
The conclusion is the intelligent controlling velocity road can prevent the traffic accident because of overload and overspeed.
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