invariante | |
math. | لازمة |
semi: 47 phrases in 16 subjects |
Agriculture | 4 |
Biology | 1 |
Commerce | 2 |
Forestry | 6 |
General | 1 |
Labor organization | 2 |
Leather | 1 |
Lighting other than cinema | 1 |
Mathematics | 17 |
Milk production | 2 |
Power lines | 1 |
Rail transport | 1 |
Remote sensing | 1 |
Statistics | 5 |
Water resources | 1 |
Wood processing | 1 |