The construction of nonlinear normal modes of a system with 1: 2 internal resonance is presented for the case of quadric nonlinearity.是什么意思_The construction of nonlinear normal modes of a system with 1: 2 internal resonance is presented for the case of quadric nonlinearity.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句