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terrestrial source | |||
man-made source | |||
artificial source | |||
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man-made source |
искусственный источник: 9 phrases in 7 subjects |
Astronautics | 1 |
Computer networks | 1 |
Electrical engineering | 1 |
Geophysics | 1 |
Lighting other than cinema | 2 |
Technology | 2 |
Telecommunications | 1 |