cluster: 121 phrases in 23 subjects |
Agriculture | 9 |
Communications | 11 |
Construction | 1 |
Education | 2 |
Electronics | 2 |
Environment | 1 |
Forestry | 2 |
General | 10 |
Health care | 2 |
Hobbies and pastimes | 1 |
Industry | 4 |
Information technology | 3 |
Mathematics | 24 |
Medical | 7 |
Metallurgy | 1 |
Microsoft | 12 |
Natural resourses and wildlife conservation | 1 |
Natural sciences | 11 |
Nuclear physics | 2 |
Patents | 1 |
Research and development | 2 |
Statistics | 11 |
Transport | 1 |