由于准则方程的高次非线性和复杂性，文中利用复合函数求导法则，直接针对基本随机变量求解。

Because of the complexity and high order nonlinear property of the criterion, a derivative method for compound function is used to get reliability.

youdao

由于准则方程的高次非线性和复杂性，文中利用复合函数求导法则，直接针对基本随机变量求解。

Because of the complexity and high order nonlinear property of the criterion, a derivative method for compound function is used to get reliability.

youdao