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|
trace : 45 phrases in 15 subjects |
| Agriculture | 1 |
| Chemistry | 2 |
| Construction | 1 |
| Cultural studies | 1 |
| Economics | 1 |
| Electronics | 5 |
| Environment | 4 |
| General | 3 |
| Human rights activism | 1 |
| Information technology | 3 |
| Life sciences | 1 |
| Mechanic engineering | 1 |
| Medical | 1 |
| Pharmacy and pharmacology | 1 |
| Transport | 19 |