车辆跟驰；人的因素；视觉选择性注意；视觉角；碰撞时间。

Car Following; Human Factor; Visual Selective Attention; Visual Angle; Time to Collision.

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但由于柔性体碰撞问题的复杂性，目前的研究还有待深入。

The impact problem about flexible bodies has not deeply investigated because of its complexity.

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因此，开展汽车侧面碰撞安全性研究具有重要意义。

Therefore the safety study about vehicle side impact is very important in our country.

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因此，开展汽车侧面碰撞安全性研究具有重要意义。

Therefore the safety study about vehicle side impact is very important in our country.

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