| |||
| électron secondaire | |||
|
secondary electron : 30 phrases in 9 subjects |
| Antennas and waveguides | 1 |
| Earth sciences | 4 |
| Electronics | 3 |
| Environment | 1 |
| Natural sciences | 1 |
| Nuclear physics | 4 |
| Radiation | 11 |
| Technology | 2 |
| Vacuum tubes | 3 |
| |||
| électron secondaire | |||
|
secondary electron : 30 phrases in 9 subjects |
| Antennas and waveguides | 1 |
| Earth sciences | 4 |
| Electronics | 3 |
| Environment | 1 |
| Natural sciences | 1 |
| Nuclear physics | 4 |
| Radiation | 11 |
| Technology | 2 |
| Vacuum tubes | 3 |