傅立叶方法是解这一方程的有效方法。
Fourier method is an effective method of solving this equation.
作为三大变换之基础的傅立叶变换，是信号与线性系统的一个最基本，最重要的变换。
As the base of them, Fourier transform is the foundalist and the most important one.
作为三大变换之基础的傅立叶变换，是信号与线性系统的一个最基本，最重要的变换。
As the base of them, Fourier transform is the foundalist and the most important one.
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