stiffness regularity的用法和樣例：
例句
- Considering the time-variant mesh stiffness, the calculated results demonstrated the change of tooth root bending stress in one engagement period.
計算結果揭示了由於時變嚙合剛度的影響齒根彎曲應力在一個嚙合周期的變化規律。 - 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.
同時分析了重力壩地震響應加速度和動應力隨壩高和壩基剛度變化的統計規律。
