Defense Technology:
Physics
Aerospace
Atmospheric Science
Mathematics
Biotechnology
Chemistry
Software engineering
Information safety
Computer Science and Technology
Integrated Circuit Design and Integrated Systems
Network Engineering
Communication engineering
Electronic Science and Technology
Information Engineering
Optoelectronic Information Science and Engineering, etc
National governance:
Political science
Administrative management
Public utilities management
International Politics
Law
Sociology
Economics
Finance, etc
Information security:
Information System Security and Management
Network Engineering and Security
Information security algorithms and protocols
Blockchain Information Security
Power Information Security
Applied cryptography 
Database security
Risk assessment 
Operating System Security
Embedded System Security
Internet of Things security and privacy, etc