因此，汽车侧面碰撞安全性的研究对于保护乘员人身安全、改善我国道路交通安全具有非常重要的意义。

Therefore, the automobile side crashworthiness research has great significance to protect the passengers 'personal safety and improve the road traffic safety of our country.

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因此，开展汽车安全性研究，改进汽车结构设计，提高抗碰撞能力，保护乘员安全已经成为受到普遍关注的世界性热点研究课题。

So, it's becoming a focus in the world that how to develope the research on vehicle safety, improve the design of the structure of cars, etc.

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