Due to the nonlinearity of the equation and the complexity of the boundary conditions the exact analytical solution of the equation can not be found.

由于方程的非线性及复杂的边界条件，目前不能获得这一方程的精确解析解。

youdao

Due to the nonlinearity of the equation and the complexity of the boundary conditions the exact analytical solution of the equation can not be found.

由于方程的非线性及复杂的边界条件，目前不能获得这一方程的精确解析解。

youdao