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система n-го порядка | |||
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подсистема (具有相对完整性的系统) |
次 系统 : 64 phrases in 13 subjects |
Aviation | 1 |
Construction | 1 |
Electronics | 20 |
Foundry | 1 |
General | 20 |
Geology | 1 |
Medical | 1 |
Military | 2 |
Mining | 1 |
Nuclear and fusion power | 1 |
Oil processing plants | 1 |
Technology | 13 |
United Nations | 1 |