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coefficient de transmission : 49 phrases in 16 subjects |
| Antennas and waveguides | 2 |
| Astronomy | 2 |
| Construction | 5 |
| Earth sciences | 8 |
| Electronics | 4 |
| Energy industry | 6 |
| General | 2 |
| Industry | 4 |
| Life sciences | 3 |
| Lighting other than cinema | 1 |
| Metallurgy | 1 |
| Natural sciences | 4 |
| Physical sciences | 2 |
| Physics | 2 |
| Textile industry | 1 |
| Радиоактивное излучение | 2 |
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