There is an unstable domain between two bifurcate frequencies in 1/2-order subharmonic resonance of elastic system with quatratic nonlinearity.是什么意思_There is an unstable domain between two bifurcate frequencies in 1/2-order subharmonic resonance of elastic system with quatratic nonlinearity.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句