单词stiffnesses
Lots of things come into play, like spring rates, anti-roll bar stiffnesses, roll center heights, suspension travel, .
影响的因素很多，比如弹簧软硬，防倾杆的软硬，滚动中心的高低，悬挂的行程。。。等等。
Critical load of frames with flexural-typed bracings and threshold stiffnesses for the bracings
弯曲型支撑框架结构的临界荷载与临界支撑刚度研究
Thermoplastics pipes and fittings - Nominal ring stiffnesses
热塑管和配件.标准环硬挺度