The reference model of SM IL is defined at the system layer,which focuses on how to get the timed control command from SMIL basic synchronization(sync arc)and extend interaction.是什么意思_The reference model of SM IL is defined at the system layer,which focuses on how to get the timed control command from SMIL basic synchronization(sync arc)and extend interaction.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句