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工程设 计: 140 phrases in 15 subjects |
Astronautics | 2 |
Aviation | 2 |
Business | 1 |
Construction | 2 |
Economy | 1 |
Education | 1 |
Electronics | 9 |
General | 99 |
Information technology | 1 |
Military | 1 |
Name of organization | 1 |
Oil and gas | 2 |
Patents | 1 |
Technology | 16 |
United Nations | 1 |