| |||
| densité spectrale | |||
|
spectrum density : 15 phrases in 8 subjects |
| Automated equipment | 2 |
| Computer numerical control | 1 |
| Dosimetry | 1 |
| Earth sciences | 7 |
| Electronics | 1 |
| Natural resourses and wildlife conservation | 1 |
| Radio | 1 |
| Transport | 1 |
| |||
| densité spectrale | |||
|
spectrum density : 15 phrases in 8 subjects |
| Automated equipment | 2 |
| Computer numerical control | 1 |
| Dosimetry | 1 |
| Earth sciences | 7 |
| Electronics | 1 |
| Natural resourses and wildlife conservation | 1 |
| Radio | 1 |
| Transport | 1 |