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рейдовая проверка (Yerkwantai) | |||
контрольная проверка | |||
верификационная проверка (oleg.vigodsky) |
verification check : 10 phrases in 6 subjects |
Astronautics | 2 |
Economics | 2 |
Information technology | 1 |
Nanotechnology | 3 |
Oil and gas | 1 |
Security systems | 1 |