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non-unit : 48 phrases in 17 subjects |
Agriculture | 1 |
Air defense | 2 |
Automobiles | 2 |
Aviation | 2 |
Business | 1 |
Chemistry | 1 |
China | 1 |
Computers | 1 |
Economy | 1 |
Electronics | 1 |
Hydroelectric power stations | 1 |
Mechanics | 1 |
Name of organization | 1 |
Nautical | 1 |
Project management | 1 |
Securities | 1 |
Technology | 29 |