Chapter Two investigates into the soft switch technology at the controlling layer in the NGN network, with an emphasis on MGC (media gateway controller) as the core equipment.是什么意思_Chapter Two investigates into the soft switch technology at the controlling layer in the NGN network, with an emphasis on MGC (media gateway controller) as the core equipment.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句