 |
|
tuned circuit : 88 phrases in 16 subjects |
| American usage, not spelling | 1 |
| Astronautics | 1 |
| Aviation | 2 |
| British usage, not spelling | 1 |
| Cement | 1 |
| Communications | 1 |
| Electrical engineering | 1 |
| Electronics | 15 |
| General | 2 |
| Makarov | 23 |
| Mass media | 3 |
| Military | 1 |
| Radio | 3 |
| Radioengineering | 4 |
| Technology | 26 |
| Telecommunications | 3 |