Topic 1: Computer Science
algorithm
computer network
Computational Ethics
computer simulation
neural network
computer security
image processing
Computer Vision
data compression
Data Mining Technology
artificial intelligence
Artificial Intelligence Algorithm
natural language processing
fuzzy logic
Computer Vision and Image Understanding
Signal and Image Processing
Speech and Natural Language Processing
computational learning theory
Information Retrieval and Fusion
bioinformatics
Mobile Computer Processing Technology
human-computer interaction
Topic 2: Electronic Materials
magnetic material 
Thermoelectric material
Optoelectronic materials
spintronics
semiconductor material
Microstructure and phase transition of materials
solar cell
Fuel cells and supercapacitors
Low dimensional semiconductor materials
Photonic integrated materials and devices
Wide bandgap semiconductor materials and devices
Single crystal substrates and special environment semiconductors
Conductive metals and their alloys
electromagnetic shielding material
dielectrics
Piezoelectric and ferroelectric materials
magnetic material 
Organic solar cell materials
Organic electroluminescent diodes and chemiluminescence batteries
Application of New Optoelectronic Materials
Materials and Devices
battery
Microelectronics materials
Advanced power semiconductors
Wearable electronic materials
Two dimensional material flexible optoelectronic devices
Integrated circuit sensors, etc
Topic 3: Information Engineering
power electronic technology 
Communication Signal Processing
radar engineering
Digital signal processing
Microwave Technology and Antenna
Electromagnetic Fields and Waves
Signal and Image Processing
Automatic control and intelligent control
computer and network technology
Network and Office Automation Technology
multimedia technology
single chip microcomputer
Electronic System Design Process
Electronic Design Automation (EDA) Technology
Digital signal processing
*Other related topics are also available