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| неподвижное зеркало | |||
| неподвижное зеркало (radiation survey) | |||
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| фиксированные зеркала (на солнечной энергетической установке) | |||
| fixed mirror: 10 phrases in 6 subjects |
| Astronomy | 1 |
| Electrical engineering | 1 |
| Energy industry | 4 |
| Physics | 1 |
| Solar power | 2 |
| Technology | 1 |
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