Both the vehicle and the concretebarrier are regarded as rigid bodies.
将汽车与砼护栏简化为刚体。
2
Racing over in his car, he smashed into a concretebarrier at 140 km an hour in a 50 km zone.
他在限速50公里区内急速行驶,以每小时140公里的速度撞到一个水泥墩上。
3
Sunbeams occasionally sliced through the notorious Pacific Northwest cloud cover as a bulldozer started carving out pieces of the Elwha Dam's concretebarrier.