 |
| |||
| multifrequency signal | |||
| multiple frequency signal | |||
| multi-frequency dial signal (oleg.vigodsky); multi-frequency signal (oleg.vigodsky) | |||
| многочастотный сигнал: 13 phrases in 5 subjects |
| Electronics | 1 |
| Household appliances | 1 |
| Military | 2 |
| Technology | 3 |
| Telecommunications | 6 |