скважность: 55 phrases in 24 subjects |
Agriculture | 2 |
Agrochemistry | 2 |
Astronautics | 4 |
Automated equipment | 4 |
Aviation | 1 |
Communications | 1 |
Drilling | 2 |
Electronics | 7 |
General | 2 |
Geology | 1 |
Household appliances | 1 |
Makarov | 3 |
Mathematics | 1 |
Metrology | 1 |
Microelectronics | 2 |
Military | 1 |
Nanotechnology | 1 |
Natural resourses and wildlife conservation | 2 |
Oil / petroleum | 4 |
Petrography | 1 |
Soil science | 2 |
Technology | 6 |
Telemechanics | 1 |
Радиоактивное излучение | 3 |