With the development of express highway, rise of oil price and promulgation of strict law, the request on dynamic characteristics, fuel economy, driving stability and comfort is increasing.

• 随着高等级公路的发展,燃油价格的上涨以及越发严格法规的颁布,对汽车的动力性、经济性、操纵稳定性和舒适性提出了越来越高的要求。