 |
Avalanche | Photodiode
| Photodiode | |
| antenn. opt. | صمام ضوئى كاشف صمام ضوئي |
| light. | صمام ثنائي ضوئي |
| Avalanche: 3 phrases in 2 subjects |
| Antennas and waveguides | 2 |
| Lighting other than cinema | 1 |