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électrons secondaires | |||
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électron secondaire |
secondary electrons : 28 phrases in 8 subjects |
Antennas and waveguides | 1 |
Earth sciences | 4 |
Electronics | 3 |
Environment | 1 |
Natural sciences | 1 |
Nuclear physics | 4 |
Vacuum tubes | 3 |
Радиоактивное излучение | 11 |