Key technologies and applications of intelligent spray-painting robots Key technologies and applications for internet of video things Key technologies and applications in fishery forecasting Key technology and application of intelligent test system based on cloud architecture Key technologies and applications of realistic rendering in 3D virtual scene Key technologies and applications on location-based pan-information map Key technologies and application of 5G network capability exposure Key technologies and application for intelligent product design based on knowledge engineering Key technology and application of digital community based on internet of things Key technology and application of educational cloud