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| X-Y plot | |||
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| X-Y plot | |||
| диаграмма в координатах: 23 phrases in 14 subjects |
| Antennas and waveguides | 1 |
| Automated equipment | 1 |
| Automobiles | 1 |
| Electronics | 2 |
| General | 2 |
| Makarov | 1 |
| Mass media | 2 |
| Mathematics | 1 |
| Medical | 1 |
| Metrology | 1 |
| Navigation | 1 |
| Physical chemistry | 1 |
| Rail transport | 1 |
| Technology | 7 |