Key technologies and applications of muck construction waste resource utilization 并列题名：Key technologies and applications of muck construction waste resource utilization Key technologies and application of close construction in city underground engineering New technologies and applications of GNSS augmentation for civil aviation Urban management policies research on construction waste resource utilization Key technologies and applications of intelligent food risk traceability 并列题名：Urban management policies research on construction waste resource utilization Key technologies and applications of autonomous underwater vehicles Key technologies and applications for internet of video things Key technologies and applications of machine learning