The application of high strength steel is very important in automotive light weighting industry and promoting passive security.

使用高强度钢板是实现汽车轻量化、提高汽车被动安全性的重要途径之一。

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Thus at the automobile passive security study, especially in the research of improving the automobile front part shape to reduce pedestrian injury, a model tool which can be trust is established.

从而为汽车被动安全的研究，尤其是为改进汽车前部形状以减少行人伤害的研究建立了一种可以信赖的工具。

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Drivers and passengers in the car must wear a seat belt, airbag is a passive safety device, only with the use of seat belts, in order to have a real security effect.

驾驶员和乘员在汽车运行时必须系好安全带，安全气囊属于被动安全装置，只有和安全带配合使用，才能有真正的安全保护效果。

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Social Security Secretary Alistair Darling said the government was moving away from having a "passive" welfare system to an "active" one capable of responding to more flexible work patterns.

BBC: Work and welfare agencies to merge

On Monday, Commons Speaker John Bercow warned the security of the ballot could be threatened by Friday counting and demanded an end to the "passive acceptance" of the practice.

BBC: Commons questions