The network of the Intelligent Building is made up of three parts which are Backbone Network , Floor Local Area Network and External Network Communication. The technique of Firewall is used to guarantee the safety of the network .是什么意思_The network of the Intelligent Building is made up of three parts which are Backbone Network , Floor Local Area Network and External Network Communication. The technique of Firewall is used to guarantee the safety of the network .在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句