Key technologies and applications of network anomaly behavior detection and security defense 并列题名：Key technologies and applications of network anomaly behavior detection and security defense Key technologies and application of 5G network capability exposure Key technologies and applications of autonomous underwater vehicles Key technologies and applications of realistic rendering in 3D virtual scene Key technologies and applications for internet of video things New technologies and applications of GNSS augmentation for civil aviation Key technologies and applications of muck construction waste resource utilization Key technologies and applications of intelligent food risk traceability Key technologies and application of close construction in city underground engineering