variety of stiffness

• 刚度变化

variety of stiffness的用法和样例：

例句

1. Some statistic laws are discussed about the gravity dam's seismic responses of accelerations and stresses changing with the dam height and the foundation stiffness.
   同时分析了重力坝地震响应加速度和动应力随坝高和坝基刚度变化的统计规律。