|
modulation : 622 phrases in 33 subjects |
| Agriculture | 4 |
| Antennas and waveguides | 10 |
| Astronomy | 2 |
| Automated equipment | 2 |
| Automatic control | 1 |
| Commerce | 1 |
| Communications | 186 |
| Construction | 2 |
| Earth sciences | 6 |
| Economics | 3 |
| Electric motors | 1 |
| Electronics | 246 |
| Environment | 1 |
| Finances | 3 |
| General | 3 |
| Information technology | 68 |
| Law | 1 |
| Materials science | 1 |
| Measuring instruments | 4 |
| Medical | 1 |
| Microsoft | 1 |
| Piezoelectric crystals | 3 |
| Politics | 1 |
| Power electronics | 1 |
| Power lines | 13 |
| Radio | 29 |
| Satellite communications | 5 |
| Semiconductors | 1 |
| Sound recording | 1 |
| Technology | 4 |
| Telegraphy | 12 |
| Transport | 2 |
| Vacuum tubes | 3 |