The altitudes of collisions should be calculated critical height and sub-critical height. The collision test proved the results of calculation.

碰撞高度应该是预先计算好的临界高度和次临界高度，碰撞试验证实了其计算结果。

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To test their theory, the two researchers simulated such a collision on a computer.

为了验证他们的理论，两位研究人员在计算机上模拟了此次碰撞。

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In that test, the Volt was subjected to a simulated side-impact collision into a narrow object like a tree or pole followed by a rollover, the agency said.

而代理的工作人员解释说，上周的测试中，同样是进行模拟侧面冲击，撞上细长物体例如树或是电线杆之后翻车。

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The severity of the laboratory test was equivalent to an oblique collision with the rocky surface of the Earth - a comet coming in at an angle of less than 25 degrees from the horizon, rather than head on (perpendicular to the Earth's surface).

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This software mastered the tricks of collision-avoidance in a series of desert test runs conducted before the race started.

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Jones, of Carr Drive in Wesham, had passed her driving test four months before the collision.

BBC: Blackpool fatal crash driver 'used excessive speed'