从工程上常用的振动设计准则出发，定义了振动问题的破坏模式，给出了以结构自振频率和外载频率为基本随机变量的安全边界方程。

A vibration failure mode of structural system was presented according to engineering design criterion. The safety margin equation of the vibration failure mode was developed.

youdao

从工程上常用的振动设计准则出发，定义了振动问题的破坏模式，给出了以结构自振频率和外载频率为基本随机变量的安全边界方程。

A vibration failure mode of structural system was presented according to engineering design criterion. The safety margin equation of the vibration failure mode was developed.

youdao