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life support systems : 115 phrases in 15 subjects |
Astronautics | 39 |
Aviation | 9 |
Aviation medicine | 8 |
Computers | 1 |
Ecology | 3 |
General | 5 |
Makarov | 3 |
Medical | 8 |
Meteorology | 1 |
Military | 18 |
Nuclear and fusion power | 1 |
Oil and gas | 1 |
Security systems | 3 |
Technology | 14 |
United Nations | 1 |