| |||
| НЧ-канал (retsenshtein); низкочастотный канал (retsenshtein) | |||
|
low-frequency communication : 4 phrases in 2 subjects |
| Military | 3 |
| Radioengineering | 1 |
| |||
| НЧ-канал (retsenshtein); низкочастотный канал (retsenshtein) | |||
|
low-frequency communication : 4 phrases in 2 subjects |
| Military | 3 |
| Radioengineering | 1 |