| |||
| profondeur effective (of characteristic X-ray production) | |||
|
effective depth : 7 phrases in 5 subjects |
| Astronomy | 1 |
| General | 1 |
| Metallurgy | 2 |
| Technology | 2 |
| Water resources | 1 |
| |||
| profondeur effective (of characteristic X-ray production) | |||
|
effective depth : 7 phrases in 5 subjects |
| Astronomy | 1 |
| General | 1 |
| Metallurgy | 2 |
| Technology | 2 |
| Water resources | 1 |