 |
| |||
| wave modulation | |||
| electric modulation | |||
| modulating action | |||
| succession of specified on and off times | |||
| modulation | |||
|
modulation : 119 phrases in 7 subjects |
| Coal | 1 |
| Communications | 38 |
| Earth sciences | 1 |
| Electronics | 55 |
| Information technology | 21 |
| Music | 1 |
| Transport | 2 |