Romberg-fast Fourier transform (R-FFT) integration algorithm based on fast Fourier transform (FFT) and numerical integration theory was proposed for modal superposition method.是什么意思_Romberg-fast Fourier transform (R-FFT) integration algorithm based on fast Fourier transform (FFT) and numerical integration theory was proposed for modal superposition method.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句