曲刚度，抗弯劲度

bending stiffness的用法和样例：

例句

This is further aggravated by cracking, which reduces the flexural stiffness of members.开裂降低了构件的弯曲刚度，这会进一步使挠度增大。
The various factors influencing on the yarn and fabric bending rigidity have been discussed in detail.同时对影响纱线和织物弯曲刚度的因素分别进行了详细的讨论。

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