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| light rays | |||
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| light rays | |||
| излучения видимой области спектра: 6 phrases in 6 subjects |
| Astronomy | 1 |
| Mass media | 1 |
| Military | 1 |
| Nanotechnology | 1 |
| Silicate industry | 1 |
| Technology | 1 |
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| light rays | |||
| |||
| light rays | |||
| излучения видимой области спектра: 6 phrases in 6 subjects |
| Astronomy | 1 |
| Mass media | 1 |
| Military | 1 |
| Nanotechnology | 1 |
| Silicate industry | 1 |
| Technology | 1 |