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Mathematics
Mechanics and Physics
Aerospace science
Nuclear science
Chemistry and chemical engineering
Astronomy
Earth science
Biology and Bioengineering
Medicine and Pharmacy
Psychology
Agriculture, Forestry, Animal Husbandry , Aquatic products
Food science
Computer science
Electronic information communication technology
Power and electrical engineering
Energy science
Environmental science
Material science
Metallurgical engineering
Mechanical engineering
Mine engineering
Civil engineering
Hydraulic engineering
Transportation engineering
Science of Surveying and Mapping
Textile science
Safety science
Economics
Management
Sociology
Political science
Law
Philosophy of literary history
Language, Education, Art and Sports
National religion
education
Other subject
Unlimited / whole subject
Deadline
All
within 10 days
within 30 days
within 60 days
within 90 days