Research on the Semantic Aggregation Model of Risk Research and Judgment of Public Health Emergencies
Zhai Yujia Xu Jia Zhao Yue
Library & Information . 2021, (05): 21 -30 .  DOI: 10.11968/tsyqb.1003-6938.2021069

Copyright © Library & Information
Tel: 0931-8270072　　E-mail: tsyqb@126.com
Powered by Beijing Magtech Co. Ltd.