|
retrodispersion : 38 phrases in 13 subjects |
| Acoustics | 2 |
| Antennas and waveguides | 6 |
| Chemistry | 1 |
| Communications | 5 |
| Earth sciences | 1 |
| Electronics | 5 |
| General | 1 |
| Measuring instruments | 8 |
| Meteorology | 1 |
| Nuclear physics | 2 |
| Radiolocation | 1 |
| Remote sensing | 1 |
| Technology | 4 |