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联合 作业 : 43 phrases in 17 subjects |
Agriculture | 2 |
Animal husbandry | 1 |
Aviation | 2 |
Business | 2 |
Commerce | 1 |
Economy | 3 |
General | 2 |
Information technology | 1 |
International trade | 1 |
Management | 1 |
Metallurgy | 2 |
Name of organization | 6 |
Navigation | 7 |
Oil / petroleum | 3 |
Space | 1 |
Technology | 7 |
United States | 1 |