 |
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| применение технологии | |||
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utilization of technology : 4 a las frases, 3 temas |
| Astronáutica | 2 |
| General | 1 |
| Naciones unidas | 1 |
|
| |||
| применение технологии | |||
|
utilization of technology : 4 a las frases, 3 temas |
| Astronáutica | 2 |
| General | 1 |
| Naciones unidas | 1 |