因此，汽车侧面碰撞安全性的研究成为汽车被动安全性研究的一项重要内容。
So research on the safety of side impact becomes an important item in the passive safety of the car.
随着人们对汽车被动安全性的要求不断增高，对安全气囊的研究开发工作成为热点。
As people's requisition for passive safety is increasing constantly, the research and development of the airbag become the focus.
随着人们对汽车被动安全性的要求不断增高，对安全气囊的研究开发工作成为热点。
As people's requisition for passive safety is increasing constantly, the research and development of the airbag become the focus.
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