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additional source | |||
subsource (информации) | |||
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secondary sources |
вспомогательный источник : 50 phrases in 13 subjects |
Astronautics | 4 |
Automated equipment | 8 |
Aviation | 4 |
Construction | 1 |
Diplomacy | 1 |
Electrical engineering | 7 |
Electronics | 2 |
Mass media | 1 |
Military | 13 |
Oil and gas technology | 1 |
Refrigeration | 1 |
Technology | 6 |
Transport | 1 |