drifting : 54 phrases in 16 subjects |
Agriculture | 3 |
Earth sciences | 9 |
Electronics | 1 |
Environment | 5 |
Fish farming pisciculture | 8 |
General | 5 |
Life sciences | 7 |
Measuring instruments | 1 |
Metallurgy | 1 |
Mineral products | 2 |
Natural resourses and wildlife conservation | 3 |
Natural sciences | 1 |
Soil science | 2 |
Transport | 4 |
United Nations | 1 |
Радиоактивное излучение | 1 |