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передача изображений: 23 phrases in 12 subjects |
Aviation | 1 |
Computers | 3 |
Information technology | 2 |
Medical appliances | 3 |
Military | 1 |
Natural resourses and wildlife conservation | 1 |
Nuclear physics | 1 |
Physics | 1 |
Polygraphy | 1 |
Radio | 4 |
Surveying | 1 |
Technology | 4 |