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| смотровая система | |||
| система наблюдения | |||
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观察 系统 : 19 phrases in 8 subjects |
| Aviation | 1 |
| Ecology | 1 |
| Education | 4 |
| Electronics | 2 |
| General | 6 |
| Name of organization | 3 |
| Navy | 1 |
| United Nations | 1 |
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