In this paper, an analytical local orthogonal. coordinate transform and an analytical equation transform are constructed to flatten the interfaces and change the Helmholtz equation as a solvable form.

然而，局部解析坐标变换方法需要满足在两个相邻界面之间存在一条水平直线的介质可分性条件。

youdao

In this paper, an analytical local orthogonal. coordinate transform and an analytical equation transform are constructed to flatten the interfaces and change the Helmholtz equation as a solvable form.

然而，局部解析坐标变换方法需要满足在两个相邻界面之间存在一条水平直线的介质可分性条件。

youdao