 |
|
sample mean : 21 phrases in 13 subjects |
| Computers | 1 |
| Ecology | 2 |
| Econometrics | 2 |
| Economics | 2 |
| Electronics | 1 |
| Food industry | 1 |
| Investment | 1 |
| Makarov | 1 |
| Mathematics | 6 |
| Quality control and standards | 1 |
| Weapons of mass destruction | 1 |
| Winemaking | 1 |
| Wood processing | 1 |