We presented a theoretical model to calculate the thermal conductivity of GaAs/AlAs superlattice considering three-phonon Umklapp process.是什么意思_We presented a theoretical model to calculate the thermal conductivity of GaAs/AlAs superlattice considering three-phonon Umklapp process.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句