50: 32 phrases in 15 subjects |
Agriculture | 1 |
Chemistry | 2 |
Communications | 1 |
Earth sciences | 1 |
Electronics | 2 |
English | 1 |
Environment | 4 |
General | 4 |
Health care | 3 |
Information technology | 2 |
Law | 1 |
Materials science | 2 |
Mathematics | 3 |
Medical | 1 |
Statistics | 4 |