Variation of rigidity characteristic of the rear axle is found during using of passenger car Santana,which causes variation of stiffness characteristic of the rear suspensions,then influences handling stability remarkably.

• 在桑塔纳轿车使用中发现,其后桥刚度特性的改变,引起该车后悬架刚度特性的变化,从而显著影响它的操纵稳定性。