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чрезвычайно низкий; очень низкий |
极低 : 67 phrases in 13 subjects |
Astronautics | 2 |
Automobiles | 1 |
Business | 2 |
Education | 1 |
Electronics | 4 |
General | 26 |
Geophysics | 1 |
Medical | 2 |
Military | 1 |
Radio | 1 |
Technology | 24 |
Thermal engineering | 1 |
United Nations | 1 |