 |
| densità di flusso: 58 phrases in 12 subjects |
| Antennas and waveguides | 2 |
| Automated equipment | 2 |
| Communications | 3 |
| Earth sciences | 16 |
| Electronics | 10 |
| General | 4 |
| Life sciences | 1 |
| Lighting other than cinema | 2 |
| Measuring instruments | 9 |
| Natural sciences | 4 |
| Physics | 2 |
| Radio | 3 |