trace : 151 phrases in 30 subjects |
Agriculture | 2 |
Chemistry | 3 |
Communications | 10 |
Construction | 12 |
Cultural studies | 2 |
Earth sciences | 14 |
Economy | 1 |
Electronics | 5 |
Environment | 2 |
Finances | 1 |
Forestry | 2 |
General | 5 |
Health care | 5 |
Human rights activism | 1 |
Industry | 13 |
Information technology | 12 |
Law | 5 |
Life sciences | 10 |
Mathematics | 1 |
Medical | 1 |
Metallurgy | 5 |
Microsoft | 3 |
Natural sciences | 2 |
Patents | 1 |
Physical sciences | 2 |
Radio | 2 |
Scientific | 1 |
Statistics | 4 |
Technology | 2 |
Transport | 22 |