Originally for the solution of elastic structure the matrix (I-R)-1 is expanded into Neumann series to circumvent the difficulty of singularity in reversing the matrix in the frequency domain.是什么意思_Originally for the solution of elastic structure the matrix (I-R)-1 is expanded into Neumann series to circumvent the difficulty of singularity in reversing the matrix in the frequency domain.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句