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先进 技术的 : 41 phrases in 13 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Automobiles | 5 |
| Aviation | 23 |
| Business | 2 |
| China | 1 |
| Finances | 1 |
| General | 1 |
| International trade | 1 |
| Mechanics | 1 |
| Mining | 1 |
| Shipbuilding | 1 |
| Space | 2 |
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