| |||
| в двух направлениях | |||
| двунаправленный | |||
| двусторонний | |||
| |||
| двунаправленный | |||
|
two-directional : 14 phrases in 9 subjects |
| Antennas and waveguides | 2 |
| Aviation medicine | 1 |
| Construction | 1 |
| Electronics | 2 |
| Makarov | 1 |
| Mass media | 2 |
| Radioengineering | 1 |
| Refrigeration | 1 |
| Technology | 3 |