coefficient of flexural rigidity

例句：

1. 1. The material has a high flexural rigidity, which makes it difficultto bend.
   这种材料具有很高的挠曲刚度，这使得它难以弯曲。
2. 2. Thedesign of the bridge is optimized for maximumflexural rigidity.
   桥梁的设计是为了最大化挠曲刚度。
3. 3. The new model carhas a higher flexural rigidity thanits predecessor.
   新款汽车的挠曲刚度比前一代更高。