 |
| pulse modulation: 128 phrases in 14 subjects |
| Astronomy | 2 |
| Communications | 19 |
| Electronics | 31 |
| General | 8 |
| Information technology | 19 |
| Measuring instruments | 3 |
| Medical appliances | 1 |
| Microelectronics | 11 |
| Optics branch of physics | 1 |
| Physics | 28 |
| Power electronics | 1 |
| Power lines | 1 |
| Radio | 1 |
| Technology | 2 |