|
modulation : 800 phrase in 40 subjects |
| Agriculture | 5 |
| Analytical chemistry | 1 |
| Antennas and waveguides | 14 |
| Astronomy | 1 |
| Automated equipment | 69 |
| Chemistry | 1 |
| Commerce | 1 |
| Communications | 186 |
| Computers | 18 |
| Construction | 2 |
| Earth sciences | 7 |
| Economics | 3 |
| Electric motors | 1 |
| Electronics | 266 |
| Environment | 1 |
| Finances | 2 |
| Fish farming pisciculture | 1 |
| General | 16 |
| High energy physics | 5 |
| Information technology | 76 |
| Law | 1 |
| Materials science | 2 |
| Measuring instruments | 6 |
| Medical | 1 |
| Medical appliances | 16 |
| Microsoft | 1 |
| Natural resourses and wildlife conservation | 2 |
| Natural sciences | 1 |
| Piezoelectric crystals | 2 |
| Power electronics | 1 |
| Power lines | 11 |
| Radiation | 6 |
| Radio | 27 |
| Radiography | 2 |
| Satellite communications | 1 |
| Technology | 22 |
| Telecommunications | 7 |
| Telegraphy | 8 |
| Transport | 5 |
| Vacuum tubes | 2 |