Technologies and intelligent applications of electric power internet of things Technology & application for narrow band internet of things Basis and application of the internet of things Intelligent applications and technologies of internet of things 并列题名：Basis and application of the internet of things Intelligent applications and technologies of Internet of things Key technologies and applications for internet of video things Core technology and application of internet of things 并列题名：Research on intelligent authentication method of physical layer of internet of things Research on intelligent authentication method of physical layer of internet of things