norm : 25 phrases in 15 subjects |
Agriculture | 1 |
Communications | 1 |
Demography | 1 |
Economy | 2 |
Environment | 1 |
General | 3 |
Genetics | 1 |
Information technology | 1 |
Law | 2 |
Life sciences | 2 |
Mathematics | 2 |
Medical | 1 |
Social science | 2 |
Statistics | 2 |
Technology | 3 |